92视频在线精品国自产拍,男生操女生的免费小视频,日韩精品无码区免费专区,大鸡巴抄逼欧美

電動(dòng)軟密封關(guān)斷蝶閥D971X-16C DN80，其他規(guī)格：D971X-16C DN40,D971X-16C DN50,D971X-16C DN65,D971X-16C DN80,D971X-16C DN100,D971X-16C DN125,D971X-16C DN150,D971X-16C DN200,D971X-16C DN250,D971X-16C DN300,D971X-16C DN350

電動(dòng)三偏心蝶閥D943H-25-DN50，D943H-25-DN65，D943H-25-DN80，D943H-25-DN100，D943H-25-DN125，D943H-25-DN150，D943H-25-DN200，D943H-25-DN250，D943H-25-DN300，D943H-25-DN350，D943H-25-DN450，D943H-25-DN500，D943H-25-DN600

電動(dòng)調(diào)節(jié)蝶閥D971X-16 DN600,D971X-16 DN700,D971X-16 DN800,D971X-16 DN900,D971X-16 DN1000,D971X-16 DN1200,D971X-16 DN1400，D971X-16 DN1600，D971X-16 DN1800，D971X-16 DN2000，D971X-16 DN65

電動(dòng)調(diào)節(jié)對夾軟密封蝶閥D971X-16 DN50，其他規(guī)格：D971X-16 DN40,D971X-16 DN50,D971X-16 DN65,D971X-16 DN80,D971X-16 DN100,D971X-16 DN125,D971X-16 DN150,D971X-16 DN200,D971X-16 DN250,D971X-16 DN300,D971X-16 DN350等。

電動(dòng)對夾蝶閥D971X-16 DN40,D971X-16 DN50,D971X-16 DN65,D971X-16 DN80,D971X-16 DN100,D971X-16 DN125,D971X-16 DN150,D971X-16 DN200,D971X-16 DN250,D971X-16 DN300,D971X-16 DN350,D971X-16 DN400,D971X-16 DN450

遠(yuǎn)程控制電動(dòng)對夾軟密封蝶閥D971X-10 DN65，其他規(guī)格：D971X-10 DN50,D971X-10 DN65,D971X-10 DN80,D971X-10 DN100,D971X-10 DN125,D971X-10 DN150,D971X-10 DN200,D971X-10 DN250,D971X-10 DN300,D971X-10 DN350,D971X-10 DN400等。

智能電動(dòng)對夾軟密封蝶閥D971X-10C DN150，為智能型電動(dòng)蝶閥，通過遠(yuǎn)程中控系統(tǒng)自動(dòng)操作，同類產(chǎn)品其他規(guī)格有：D971X-16P DN80,D971X-16 PDN100,D971X-16P DN125,D971X-16P DN150,D971X-16P DN200,D971X-16P DN250,D971X-16P DN300,D971X-16P DN350等。

湖泉電動(dòng)蝶閥型號：D941X-16C-DN65,D941X-16C-DN80,D941X-16C-DN100,D941X-16C-DN125,D941X-16C-DN150，D941X-16C-DN200，D941X-16C-DN250，D941X-16C-DN300，D941X-16C-DN350，D941X-16C-DN400