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打捞钩 dǎlāogōu
dril. fishing hook; tool extractor
eng.geol. crowfoot
oil bit holder; fishhook
tech. recovery hook; side rasp
打捞钩〔工具〕 dǎlāogōu
gen. boxbill
打捞钩: 20 phrases in 5 subjects
Drilling7
Engineering geology2
General1
Oil / petroleum6
Technology4