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管顶 guǎndǐng
avia. top of pipe
tech. pipe crown; pipe summit; pipe top
管顶: 228 phrases in 29 subjects
Architecture4
Automobiles2
Aviation2
Bridge construction5
Business1
Chemistry1
Dermatology2
Drilling17
Earth sciences1
Electric machinery2
Electronics2
Engineering geology3
Explosives and Explosive Ordnance Disposal1
General2
Hydroelectric power stations8
Isolation1
Mechanics2
Metallurgy23
Mining1
Nautical1
Navigation1
Oil / petroleum22
Rail transport2
Refrigeration2
Shipbuilding1
Steel production2
Technology115
Telecommunications1
Textile industry1

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