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管钻 guǎnzuàn
eng.geol. tubular drill
tech. hole saw; pipe drill; tubing drill; tubular saw
管 钻
: 369 phrases in 29 subjects
Bridge construction3
Business1
Chemistry2
Dentistry1
Desert science1
Drilling41
Earth sciences5
Electronics5
Engineering geology28
Explosives and Explosive Ordnance Disposal1
General8
Hydroelectric power stations2
International trade1
Mechanic engineering2
Mechanics1
Metallurgy13
Mining1
Nautical2
Navigation6
Nursing2
Oil / petroleum43
Otorhinolaryngology1
Polymers1
Rail transport1
Shipbuilding1
Solar power1
Steel production1
Technology193
United Nations1

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