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打捞器 dǎlāoqì
oil fisher
tech. bowl slip-sockets; finger grip (钻杆); latch jack; outside tap; overshot; salvage tool
绳索取芯的打捞器 dǎlāoqì
tech. overshot assembly
孔内小物件打捞器 dǎlāoqì
eng.geol. reed basket
打捞器
: 86 phrases in 8 subjects
Drilling18
Earth sciences2
Engineering geology4
General3
Mechanics1
Metallurgy1
Oil / petroleum21
Technology36