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fisher | |||
bowl slip-sockets; finger grip (钻杆); latch jack; outside tap; overshot; salvage tool | |||
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overshot assembly | |||
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reed basket |
打捞器 : 86 phrases in 8 subjects |
Drilling | 18 |
Earth sciences | 2 |
Engineering geology | 4 |
General | 3 |
Mechanics | 1 |
Metallurgy | 1 |
Oil / petroleum | 21 |
Technology | 36 |