... Double Sided Disc 双面磁碟 Double gate disc 双闸板 ; 双阀板 double revolving disc refiner 双动盘磨机 ...
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双阀板平板 Double Disc Flat Gate Valves
明杆平行式双阀板阀板 Double Disk Parallel Gate Valves
双圆板闸阀 double disc gate valve
双板阀 double-gated lock
电动双翻板阀 FDSF ; Motorized Double Flap valve
双喷嘴挡板阀 twin flapper-and-nozzle valve ; two-jet flapper valve
双翻板阀供料器 double-flap gate type feeder
明杆平行式双闸板闸阀 double disk parallel gate valves
双闸板闸阀 dual-gate valve ; Gate Valve
我们的产品线包括：闸阀，止回阀，截止阀，止回阀，双板的止回阀，高性能蝶阀。
Our product line includes: Gate valves, Check valves, Globe valves, Non-Return valves, Dual-Plate Check valves, and High Performance Butterfly valves.
福州西区水厂将原有的双阀滤池改造为V型滤池，重点介绍了进水系统、滤板系统、反冲洗排水系统、滤后水系统、反冲洗系统的改造。
Uneven air distribution and other problems existing in the water distribution system of the original V-type filter with ceramic tiles were analyzed.
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