• <center id="2ck4g"><dd id="2ck4g"></dd></center>
      新聞中心您的位置:網(wǎng)站首頁(yè) >新聞中心 >rexroth柱塞泵型介紹選型推薦

      rexroth柱塞泵型介紹選型推薦

      更新時(shí)間:2016-09-14   點(diǎn)擊次數(shù):808次

      rexroth柱塞泵型介紹選型推薦
      REXROTH A10VSO型變量柱塞泵31R系列
      開(kāi)式回路 RC 92 711/09.00
      規(guī)格28....140
      31R系列
      額定壓力280 bar
      峰值壓力 350 bar
      此類(lèi)型泵特點(diǎn):
      — 用于液壓開(kāi)式回路的斜盤(pán)結(jié)構(gòu)軸向柱塞變量泵
      — 流量正比于驅(qū)動(dòng)轉(zhuǎn)速和排量,并能通過(guò)調(diào)節(jié)斜盤(pán)傾角實(shí) 現(xiàn)無(wú)級(jí)變量
      — ISO標(biāo)準(zhǔn)的安裝法蘭
      — 法蘭連接符合SAE米制
      — 有兩個(gè)殼體泄油孔
      — 優(yōu)良的吸入性能
      — 允許連續(xù)運(yùn)行壓力可達(dá)280 bar
      — 低噪聲
      — 長(zhǎng)壽命
      — 驅(qū)動(dòng)軸能承受軸向及徑向負(fù)載
      — 高的功率/重量比
      — 廣范圍的多種控制形式
      — 控制響應(yīng)時(shí)間短
      — 采用通軸結(jié)構(gòu),可用于多回路系統(tǒng)
      型選型參考詳解:
      舉例型:A10VSO18DFR1/31R-PPA12N00
      A10VS→斜盤(pán)式變量泵,此系列工業(yè)驅(qū)動(dòng)用,公稱(chēng)壓力 28MPa,zui高壓力35MPa;
      O →運(yùn)行方式,此系列用于開(kāi)式回路系統(tǒng);
      18 →排量規(guī)格此型為18m3(另有10、28、45、71、100、140等常見(jiàn)規(guī)格排量)
      DFR1 →控制機(jī)構(gòu),(DG表示兩位控制驅(qū)動(dòng);DR(G)表示壓力控制遠(yuǎn)程控制;DFR1壓力/流量控制 ;帶有1指在X油路無(wú)小孔;DFLR壓力/流量/功率控制;FHD流量控制,和先導(dǎo)壓力有關(guān)帶壓力控制;FE1流量電控;DFE1壓力/流量電控;ED電液壓力控制);
      31 →產(chǎn)品系列
      R →轉(zhuǎn)動(dòng)方向(R順時(shí)針,L逆時(shí)針)
      P →密封(P指帶FKM軸封的NBR(丁晴橡膠,符合DIN ISO 1629),V指FKM(佛橡膠,符合DIN ISO 1629))
      P →軸端(P指帶鍵直軸 DIN 6885,S指花鍵軸SAE,R指花鍵軸SAE(較高的通軸驅(qū)動(dòng)轉(zhuǎn)矩));
      A →安裝法蘭孔(A指ISO 2孔,B指ISO 4孔);
      12 →工作油口連接,{壓力油口B 吸油口S}在相反方向 ,SAE油口米制固定螺釘;
      N00 →通軸,(N00無(wú)通軸驅(qū)動(dòng);有通軸驅(qū)動(dòng)帶軸向泵、齒輪泵回徑向柱塞泵KB2、K51、KB3、K01等等)
      柱塞泵是液壓系統(tǒng)的一個(gè)重要裝置。它依靠柱塞在缸體中往復(fù)運(yùn)動(dòng),使密封工作容腔的容積發(fā)生變化來(lái)實(shí)現(xiàn)吸油、壓油。柱塞泵具有額定壓力高、結(jié)構(gòu)緊湊、效率高和流量調(diào)節(jié)方便等優(yōu)點(diǎn),被廣泛應(yīng)用于高壓、大流量和流量需要調(diào)節(jié)的場(chǎng)合,諸如液壓機(jī)、工程機(jī)械和船舶中。
      中文名柱塞泵機(jī)械分類(lèi)單柱塞泵機(jī)械分類(lèi)臥式柱塞泵機(jī)械分類(lèi)軸向柱塞泵機(jī)械分類(lèi)徑向柱塞泵廣泛應(yīng)用高壓、大流量和流量需要調(diào)節(jié)
      力士樂(lè)rexroth柱塞泵現(xiàn)貨型,博世力士樂(lè)柱塞泵*現(xiàn)貨供應(yīng)
      博世力士樂(lè)柱塞泵比較有優(yōu)勢(shì),長(zhǎng)期有現(xiàn)貨的液壓油泵
      作為變速箱和液壓系統(tǒng)的制造商,傳動(dòng)和控制專(zhuān)家力士樂(lè)為風(fēng)機(jī)制造商系統(tǒng)解決方案.
      博世力士樂(lè)是的傳動(dòng)與控制技術(shù)專(zhuān)家。憑借在傳動(dòng)、控制以及行走機(jī)械領(lǐng)域內(nèi)的豐富經(jīng)驗(yàn),博世力士樂(lè)為80多個(gè)國(guó)家,
      50多萬(wàn)家客戶(hù)量身定制的解決方案,是世界工業(yè)及工廠(chǎng)自動(dòng)化、行走機(jī)械應(yīng)用與可再生能源應(yīng)用場(chǎng)上的*。
      2008博世力士樂(lè)銷(xiāo)售額近59億歐元,擁有超過(guò)35,300多名專(zhuān)業(yè)員工。
      自1978開(kāi)始,博世力士樂(lè)就開(kāi)始了在中國(guó)的業(yè)務(wù),并在、北京、常州和深圳建立了工廠(chǎng)。
      液壓元件分類(lèi)
      動(dòng)力元件:齒輪泵、葉片泵、柱塞泵、螺桿泵;
      執(zhí)行元件:液壓缸、活塞液壓缸、柱塞液壓缸、擺動(dòng)液壓缸、組合液壓缸;
      液壓馬達(dá):齒輪式液壓馬達(dá)、葉片液壓馬達(dá)、柱塞液壓馬達(dá);
      控制元件:方向控制閥、單向閥、向閥;
      壓力控制閥:溢流閥、減壓閥、順序閥、壓力繼電器等;
      流量控制閥:節(jié)流閥、調(diào)速閥、分流閥;
      現(xiàn)貨現(xiàn)貨銷(xiāo)售BOSCH-REXROTH博士-力士樂(lè)液壓元件:電子單元,壓力開(kāi)關(guān),壓力繼電器,液壓馬達(dá),齒輪泵,減壓閥,向閥,葉片泵,電磁閥,
      變量泵,先導(dǎo)式減壓閥,柱塞泵,電磁閥,疊加閥,溢流閥,比例閥...
      A10VSO71DFR1/32R-VPB22U99S2184
      A10VSO100DR/31R-PPA12N00 A10VSO100DR/32R-PPB12N00
      A10VSO71DFR1/32R-VPB22U99S2184
      A10VS0100DFR1/32R-VPB12N00
      A4VG56EP2DM1/32RNZC02F003DH
      A4VG56EP2DM1/32RNZC02F003DH
      A10VS071DFR1/32R-VPB22U99
      A10VSO45DFR1/32R-PPB12N00
      A10VSO45DFR1/32R-PPB12N00
      A10VSO140DRS/32R-VPB22U99
      A10VSO71DRS/32R-VPB22U99-S2184
      A10VS0140DRS/32R-PPB22U99
      A10VS071DFR1/32R-VPB22U99S2184
      A10VSO100DFR1/32R-VPB12N00
      A10VS071DFR1/32R-VPB22U99S2184
      A10VSO100DFR1/32R-PPB12NOO
      A10VSO71DFR1/32R-VPB22U99S2184
      A10VSO100DR/32R-VPB12N00
      A10VSO71DRS/32R-VPB22U99-S2184,1p
      A10VSO100DFR1/32R-PPB12N00
      A10VSO45DFR1/32R-PPB12N00
      A10VS0100DFR1/32R-PPB12N00-S1439
      A10VS0140DR/32R-VPB12N00
      A10VSO100DFR1/32R-PPB12N00
      A10VS071DFR1/32R-VPB22U99
      A10VS0100DFR1/32R-VPB12N00
      A10VS0100DFR1/32R-VPB12N00
      A10VS0100DFR1/32R-VPB12N00
      A10VS0100DR/32R-VPB12N00
      A10VS0100DFR1/32R-VPB12N00
      A10VS0100DR/32R-VPB12N00
      A10VSO140DRS/32R-VPB12N00
      A10VSO71DFR1/32R-VPB22U99
      A10VS0100DFR1/32R-VPB12N00
      A10VS071DFR1/32R-PPB12N00
      A10VS0100DR/32R-VPB12N00
      A10VS0100DR/32R-VPB22(12)U99(N00)
      PGH4-2X/032RF18VKO
      A10VS071DFR1/32R-PPB12N00
      A10VSO45DFR1/32R-VPB12N00
      R902119803 A8V0107LA1KS/63R1-N2G05F074+A4VG71DWDM1/32R-NSCO2F013P+A2PFF-1X-016/014R
      A8V0107LA1KS/63R1-N2G05F074+A4VG71DWDM1/32R-NSC02F013P+A2PFF-1X-016/014R
      A4G125DA2DA2/32R-NAF02F021DT
      A10VO100DFR1/32R-VPB12NOO
      A10VSO100DFR1/32R-PPB12N00四孔安裝
      A10VSO71DFR1/32R-VPB22U99(四孔安裝)
      A10VS0140DFR1/32R-VPB22U99N00
      A10VS0100DFR1/32R-VPB22U99N00
      A10VSO100DFR1/32R-PPB12N00
      AA10VSO45DR/31R-PKC62KA3
      A10VSO45DFR1/31R-VPB12N00
      A10VSO45DFR1/31R-PPA12N00
      A10VSO71DFR/30R-PPA12K26+A10VSO45DFR/31R-PPA12N00
      A10V0100DR/31R-PPC62N00
      A10VSO100DFR/31R-PPA12N00
      A10VS071DFR1/31R-PPA12N00
      A10VS071DFR1/31R-PPA12N00
      A10VSO100DR/31R-PPA12N00
      A10VS028DR/31R-PPA12N00
      A10VS28DfR1/31R-PPA12N00
      A10VS28DR/31R-PPA12N00
      A10VS0100DFR1/31R-PPA12N00
      A10VS071DFR1/31R-VPA12N00
      R910942635 A10VSO71DFR/31R-PPA12N00
      A10VSO140DFLR/31R-PPB12N00
      A10VSO18DR/31R-PSA12N00 +A10VSO71DR/31R-PPA12KB2
      A10VS045DFR1/31R-PPA12N00
      A10VS071DFLR/31R-PPA12N00
      A10VS071DFR1/31R-VPA12N00
      E-A10VSO100DR/31R-PPA12N00
      A10VS045DFR1/31R-PPA12N00
      A10VSO71DR/31R-PSC62K02
      A10VSO18DFR1/31R-PPA12N00
      A10VSO71DR/31R-PSC62K02
      A10VSO18DFR1/31R-PPA12N00
      A10VSO18DFR1/31RPPA12N00
      E-A10VS0100DR/31R-PPA12N00
      A10VSO140DFR/31R-PPB12N00
      A10VSO71DFR1/31R-PPA12N00
      A10VSO140DR/31R-PPB12N00
      A10VSO71DFLR/31R-PPA12N00
      A10VSO45DFLR/31R-PPA12N00
      A10VSO140DR/31R-PPB12N00
      A10VSO100DFR1/31R-VPA12N00
      A10VSO28DFR1/31R-PPA12N00
      A10VSO45DFR1/31R-PPA12N00
      A10VSO140DFR1-31R/PPB12N00
      A10VSO45DFR1/31R-PPA12N00
      A10VSO71DFR/31R-PPA12N00
      A10VSO45DFR1/31R-PPA12N00
      A10VS071DR/31R-PSA12N00
      E-A10VSO100DFLR/31R-PPA12NOO
      A10VSO18DFR1/31R-PPC12N00
      A10VSO71DRG/31R-PPA12N00
      A10VS045DFR1/31R-PPA12N00
      A10VS0140DFRI/31R-PPB12N00
      A10VSO71DFR1/31R-PPA12N00
      A10VSO71DFR1/31R-PPA12N00
      A10VSO100DR/31R-PPA12NOO
      A10VSO71DFR1/31R-PPA12N00
      A10VSO71DFR/31R-PPA12N00
      A10VSO100DFR1/31R-PPA12N00
      A10VSO140DFR1/31R-PPB12N00
      A10VS028DFLR/31R-PPA12N00
      A10VS018DFR1/31RPPA12N00
      PVH131R13AG30A250000001001AB010A
      A10VSO28DFR1/31R-PPA12N00(A10VSO28DR/31R-PPA12NOO)
      A10VSO100DFR1/31R-PPA12N00
      A10VSO100DFR1/31R-PPA12NOO
      A10VS071DR/31R-PPA12N00
      A10VSO140DFR1/31R-PPB12N00
      A10VSO71DFR1/31R-PPA12N00
      A10VSO71DFR1/31R-PPA12N00
      E-A10VSO100DFR/31RPPA12N00
      A10VS071DFR1/31R-PPA12N00
      A10VS045DFR1/31R-PPA12N00-S032
      A10VSO140DFR1/31R-PPB12N00
      A10VSO45DR/31R-PPA12N00
      A10VSO45DFR1/31R-PPA12N00
      A10VS0140DFR1/31R-PPB12N00
      A10VSO100DFR1/31R-PPA12N00
      A10VSO140DFR1/31R-PPB12N00
      A10VSO71DFR1/31R-PPA12N00
      A10VSO71DFR1/31R-PPA12N00-S1648
      A10VSO45DFR/31R-PPA12N00
      A10VSO28DFR1/31R-PPA12N00
      A10VS0140DR/31R-PPB 12NOO
      A10SO100DFE/31R-PPA12K52
      A10VSO28DFR1/31R-PPA12N00
      A10VSO140DFR1/31R-PPB12N00
      A10VSO18DFR1/31R-PPB12NOO
      A10VSO71DFR1/31R-PPA12N00
      A10VSO71DFR1/31R-PPA12N00
      A10VSO140DR/31R-PPB12N00
      A10VSO28DR/31R-PPA12NOO
      A10VSO28DR/31R-PPA12N00
      A10VSO28DR/31R-PPA12N00
      A10VSO140DR/31R-PPB12N00
      A10VSO100DFR1/31R-PPA12N00
      A10VSO45DFR1/31R-PPA12NOO
      A10VS018DFR1/31R-PPA12N00
      A10VSO140DR/31R-PPB12N00
      A10VSO140DFR1/31R-PPB12N00
      A10VSO100DR/31R-PPA12N00
      A10VSO140DR/31R-PPB12N00
      A10VSO140DFR1/31R-PPB12N00
      E-A10VSO71DFR/31R-PPA12NOO
      A10VS0100DFR1/31R-PPA12N00
      A10VSO140DR/31R-PPB12N00
      A10VS0100DR/31R-PPA12N00
      A10VS0100DFR1/31R-PPA12N00
      A10VSO140DFR1/31R-PPB12N00
      A10VSO140DR/31R-PPB12N00
      A10VSO140DR/31R-PPB12N00
      A10VSO140DFR1/31R-PPB12N00
      A10VS018DFR1/31R-PPA12N00
      A10VSO140DR/31R-PPB12N00
      A10VSO71DR/31R-PPA12N00
      A10VSO28DR/31R-PPA12N00
      A10VSO18DR/31R-PPA12N00
      A10VSO45DFR1/31R-PPA12NOO
      A10VSO28DFR1(DR)/31R-PPA12N00
      A10VS018DFR1/31R-PPA12N00
      A10VSO71DFR/31R-PPA12N00
      A10VSO45DR/31R-PPA12N00
      A10VS071DR/31R-PPA12N00
      A10VSO100DR/31R-PPA12N00
      A10VS071DR/31R-PPA12
      A10VSO28DFR1/31RPPA12NOO
      A10VS028DFR1/31R-PPA12N00-S032
      A10VSO100DFLR/31R-VPA12N00
      A10VSO71DFR1/31R-PPA12N00
      A10VSO045DR/31R-PPA12N00
      A10VSO71DR/31R-PPA12N00
      A10VSO100DFR1/31R-PPA12NOO
      A10VS071DFR1/31R
      A10VSO71DFR1/31RR-PPA12N00
      A10VSO100DFR1/31R-PPA12N00
      A10VSO45DFR1/31R-PPA12N00
      A10VSO45DFR1/31R-PPA12N00
      A10VSO71DR/31R-PPA12N00
      A10VSO28DR/31R-PPA12N00
      A10VSO140DFR1/31R-PPB12NOO
      A10VSO140DR/31R-PPB12N00
      A10VSO28DR/31R-PPA12N00
      A10VSO45DFR1/31R-PPA12N00
      A10VSO45DFR1/31R-PPA12N00
      A10VSO45DFR1/31R-PPA12N00
      A10VS071DR/31R-PPA12N00
      A10VSO18DR/31R-VKC62K01
      A10VSO100DR/31R-PPA12N00
      A10VSO18DFR1/31R-VPA12N00
      A10VSO71DFR1/31R-PPA12N00
      A10VSO100DR/31R-PPA12N00
      A10VS071DR/31R-PPA12N00
      A10VS045DR/31R-PPA12N00
      A10VSO100DRG/31R-PPA12N00
      A10VSO100DRG/31R-PPA12N00
      A10VSO100DRG/31R-PPA12N00
      A10VS071DFR1/31R-PPA12N00-S1648
      A10VO100DFLR/31R-PSC62K01
      A10VSO100DFLR/31R-PPA12N00
      A10VSO100DFLR/31R-PPA12N00
      A10VSO100DR/31R-PPA12N00
      A10VSO100DR/31R-PPA12N00
      A10VSO71DFR1/31R-PPA12N00-S1648
      A10VSO45DR/31R-PSC62K02
      A10VSO140DFR1/31R-PPB12NOO
      A10VSO140DR/31R-PPB12N00
      A10VSO140DRG/31R-PPB12N00
      A10VSO100DRF1/31R-PPA12N00
      A10VSO100DFR1/31R-PPA12N00
      A10VSO140DFR1/31R-PPB12N00
      A4V180DFR1/31R-VPA12N00
      A10VSO140DR/31R-PPB12N00
      A10VSO28DR/31R-PPA12N00
      A10VSO28DR/31R-PPA12N00
      A10VSO140DFR1/31R-PPB12N00四孔安裝
      A10VSO71DFR1/31R-PPA12N00
      A10VSO58DFR1/31R-PPA12N00
      A10VSO45DFR1/31R-PPA12N00
      A10VSO28DFR1/31R-PPA12N00
      A10VSO18DFR1/31R-PPA12N00
      A10VSO140DFR1/31R-PPB12NOO
      A10VSO140DFR1/31R-PPB12NOO
      A10VS0100DR/31R-PPA12N00
      A10VS0100DFR1/31R-PPA12N00
      A10VS0100DFR1/31R-PPA12N00
      A10VS071DFR1/31R-PPA12N00
      A10VSO45DFR1/31R-PPA12N00
      A10VSO45DFR1/31R-PPA12N00
      A10VSO45DFR1/31R-PPA12N00
      A10VSO45DFR1/31R-PPA12N00
      A10VSO28DFR1/31R-PPA12N00
      A10VSO18DGR/31R-PPA12N00
      A10VSO18DFR/31R-PPA12N00
      A10VSO18DFR1/31R-PPB12NOO
      A4VSO125DR/22R-PPB13ND0
      A4VSO180DR/30R-PPB13NOO
      A4VSO71LR2D/20R-PPB1300
      A4VSO125HSE/20R-PPH13N00
      A4VSO500HSE/20R-PPH13N00
      A4VSO125LR2/30R-PPB13N00
      A4VSO250DR/30R-PPB13N00
      E-A4VSO250DR/30R-PPB13N00
      E-A4VSO125DR/30R-PPB13N00
      A4VS0125DR/30R-PPB13N00
      E-A4VS0125DR/30R-PPB13N00
      E-A4VS0125DR/30R-PPB13N00
      A4VSO250LR2/30R-PPB13N00
      A4VS0180DFE1/30R-PPB13N00
      A4VS0180DR/30R-PPB13N00
      A4VS0250DR/30R-PPB13N00
      A4VSO125DR/30R-PPB13N00
      A4VG56EP2DM1/32RNZC02F003DH
      A4VSO71LR2D/12R-PPB13N00
      E-A4VS0180DR/30R-PPB13NOO
      A4VG56EP2DM1/32RNZC02F003DH
      A4VSO180DR/30R-PPB13N00
      A4VSO-250LR2H/10R-PPB13
      A4VSO-125LR2H/10R-PPB13
      A4VS0180DFE1/30R-PPB13N00
      A4VSO250E01/30R-PPB13N00-S0368+VT5035-1X
      A4VSO71DR/10R-PPB13N00
      A4VS040DR/10R-PPB13N00
      A4VSO180DR/22RPPB13NOO
      A4VS0250DRG/30R-PPB13N00
      A4VS0125E01K/11RV13N00
      A4VS0125E01K/11R-VZB13K34+A4VS0125E01K/11R-VZB13K01
      A4VSO250DR/30R-PPB13N00(R910974769)
      A4VSO250DR/30R-PPB13N00
      A4VS0250E02/30R-PPB13N00
      A4VSO250DR/30R- PPB13N00
      A4VSO71EO2/10R-PPB13NOO
      A4VS0250DR/30R-PPB13N00
      A4VG90HD1D7/32NZF02F021L
      A4VSO180LR2G/30R-PPB13N00
      A4VSO71LR/A (075071)
      A4VSO250LR3N-(2X)
      A4VSO180-LR2G/30R-PPB13NOO
      A4VSO250-LR2G/30R-PPB13NOO
      E-A4VSO180DR/30R-PPB/13N00
      E-A4VSO125DRPPB13N00
      A4VSO250-LR2H/30R-PPB13NOO
      A4VSO180DR/22R-PPB13N00
      A4VS071DR/30R-PPB13N00
      A4VSG180DR
      A4VSO180DR/30R-PPB13N00
      A4VSO180DR/22R-PPB13N00
      A4VSO180DR/22R-PPB13N00
      A4VSO180DR/30R-PPB13N00
      A4VS040DR/10R-PB13N00N
      A4VSO125DR/30R-PPB13N00
      A4VG90HDIDTI/32L-NZF021L
      A4VSO/71DR/10R-PPB/13N00
      A4VSO125DR/22R-PPB13N00
      A4V180DFR1/31R-VPA12N00
      A4VS0250DFR/30R-PPB13N00
      A4VSO40DR10RVPB13N00
      本有優(yōu)勢(shì)的品牌展示:
      一、氣動(dòng)元件:品牌:FESTO費(fèi)斯托氣動(dòng)元件,F(xiàn)ESTO費(fèi)斯托電磁閥,英國(guó)海隆諾冠,日本品牌:日本SMC氣動(dòng)元件,日本CKD喜開(kāi)理氣動(dòng)元件,日本小金井氣動(dòng)元件,意大利品牌:意大利UNIVER,意大利康茂盛,品牌:ROSS,ASCO電磁閥
      二、工控產(chǎn)品品牌:PILZ皮爾茲繼電器,IFM易福門(mén)傳感器,海德漢HEIDENHAIN,P+F倍加福傳感器,RENCON編碼器,施克SICK,TURCH圖爾克,HIRSCHMANN赫斯曼工業(yè)交機(jī)。亨士樂(lè),MURR穆?tīng)?,金鐘穆勒。日本品牌:日本歐姆龍OMRON傳感器,日本神視SUNX,基恩士,日本奧普士,日本SUMTAK盛太克編碼器,日本內(nèi)密控編碼器。品牌:巴士德BARKSDALE
      三、液壓元件品牌:NUMATICS紐曼蒂克,PARKER派克氣動(dòng)液壓,VICKERS威格士,MOOG穆格,F(xiàn)AIRHILD,POSEMOUNT羅斯蒙特,艾默生EMERSON,哈希HACH,丹尼遜液壓元件,克里帕。品牌:HAWE哈威,REXROTH力士樂(lè),HYDAC賀德克,E+H,博力謀BEKIMO.日本品牌:日本東京美意大利品牌:意大利ATOS阿托斯
      1、總部位于,總歐美廠(chǎng)價(jià),5000多家供應(yīng)商。
      2、技術(shù)力量強(qiáng)大,有專(zhuān)業(yè)技術(shù)人員,相關(guān)品牌可產(chǎn)品的技術(shù)資料。
      3、集中,,可正規(guī)報(bào)關(guān)單。
      4、貨期及時(shí),拼單貨運(yùn)。每周從發(fā)貨兩票,次周可清好關(guān)。特殊情況可單飛至客戶(hù)。
      5、合作過(guò)程簡(jiǎn)約,源頭成本低。

      一本视频在线精品,国产黄在观线免费,99久久久国产精品久久,亚洲天堂性爱精品无码
      • <center id="2ck4g"><dd id="2ck4g"></dd></center>