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sinker bar
meaning in English
冲击式钻杆
冲击钻杆
助钻杆
撞杆
Examples
Auger
sinker bar
guides
冲击钻杆导向器
Related Words
sinkers
sinker
sinker weight
air sinker
sinker drosocks
mooring sinker
deewell sinker
punched sinker
well sinker
sinker loop
sinkel
sinker
sinker bar guide
sinker bar string
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