1.
dart-valve bailer
带突板球阀的捞砂筒
2.
overshot with bow
带碗形卡瓦的打捞 筒
3.
spiral valve tray
带螺旋叶片的浮阀塔板
4.
3 The valve body and disc of valve shall be made of ductile cast iron.
阀门的阀体、阀板制造材料应该是球墨铸铁。
5.
slip socket bowl
卡瓦打捞筒的锥形座
6.
circulating overshot
可循环泥浆的打捞筒
7.
endless bed drum sander
带式进给辊筒砂光机
8.
abrasive roller
磨毛辊（磨毛机的主要部件,辊筒表面包绕砂布带）
9.
Application of Digital Valve Control System in Strip Displacement
数字阀控制系统在板带跑偏中的应用
10.
Pig receiver& launcher shall be horizontal, and the diameter of pig valves shall be equal to the inner diameter of the pipe cleaned.
收发球筒采用卧式平放，收、球阀的直径应等于被清扫管线的内径。
11.
Pig receiver &launcher shall be horizontal, and the diameter of pig valves shall be equal to the inner diameter of the pipe cleaned.
收发球筒采用卧式平放，收、发球阀的直径应等于被清扫管线的内径。
12.
Construction techniques of shaft water control by sanding and grouting at hydrostatic level
静水抛砂注浆治理井筒突水施工技术
13.
circulating slip socket
可循环泥浆的卡瓦式打捞筒
14.
broken-field running.
突破散开防守区的带球。
15.
two sanding belts top working wide sander
上辊式双辊筒宽带砂光机
16.
Development and application of the LS70DB electric bailing winch
LS70DB电动捞砂绞车的研制与应用
17.
full steel cover over the extruder barrel with air venting grid on top.
挤出机机筒盖板为带有通风开口的全钢材质。
18.
The Internal Force Analysis of the Column-supported with Partition Board Reinforced Concrete Silo;
柱承式带隔板钢筋混凝土筒仓的受力分析