bailer
捞砂
捞砂筒
泥浆泵
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bailer bail
捞砂筒上的提环
bailer conductor
捞砂筒
bailer crown block
汲取
bailer crown-block
并行程序设计
捞砂天车
bailer dart
捞砂筒下部的活门
bailer dump
捞砂筒捞出物
捞砂筒的倒砂门
用筒装物体倒入井内
bailer grab
捞砂筒的捞钩
bailer line
捞砂
bailer method
捞砂
bailer method of cementing
捞砂筒注水泥
bailer sample
捞砂筒中砂样
bailer valve
捞砂筒
buoyant bailer
低密度脂蛋白
浮水杓
clean-out bailer
捞砂筒
dart bailer
带突板球阀的捞砂筒
dart-valve bailer
带突板球阀的捞砂筒
dirt bailer
泥浆泵
dump bailer
倾卸筒
倾卸试验
水锥
可倾式水泥筒
dump bailer method
倾筒法
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