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母锥 mǔzhuī
dril. box bell
oil female coupling tap
tech. bell socket; die collar; generating cone
打捞母锥 mǔzhuī
dril. female fishing tap
eng.geol. bell screw; screw bell
母锥
: 56 phrases in 10 subjects
Architecture1
Automobiles6
Computer numerical control1
Construction3
Drilling10
Hydroelectric power stations1
Mechanic engineering2
Nautical1
Oil / petroleum3
Technology28