bailer
泥浆泵
捞砂筒
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automatic bailer
自动排水装置
bailer bail
捞砂筒上的提环
bailer broken
断斗
bailer conductor
捞砂筒
bailer crown block
汲取
bailer crown-block
捞砂天车
并行程序设计
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
捞砂绳
bailer method
捞砂法
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
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check safe coefficient灌溉多功能性破坏形态blind cover起来block blob玻璃纤维增强塑料砂浆锚杆structure variable element designordered linear ordered topological space