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sinker bar
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Subject
English
Chinese
tech.
auger-
sinker-bar
guide
冲击钻杆导向器
oil
auger-
sinker-bar
guides
顿钻四杆防斜器
oil
auger-
sinker-bar
guides
冲击钻杆导向器
tech.
sinker bar
冲击
式
钻杆
oil
sinker bar
加重杆
oil
sinker bar
撞杆
archit.
sinker bar
冲击式钻杆
eng.geol.
sinker bar
冲击钻杆
eng.geol.
sinker bar
重钻杆
textile
sinker bar
沉降片座
tech.
sinker bar
压载杆
oil
sinker bar
guide
撞杆扶正器
tech.
sinker bar
guide
冲击式钻杆的扶正器
oil
sinker bar
guide
撞杆导引器
tech.
sinker bar
guide
冲击钻杆导向器
oil
sinker bar
string
加重抽油杆柱
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