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孔口 kǒngkǒu
gen. hole; holes; ostiola; ostiole; passage
agric. orifice (orificium); ostiolum; pop-hole
el. ear
el.mach. throat
eng.geol. hole top; mouth
expl. beanhole
hydroel.st. orifice; aperture; opening; vent
nautic., tech. orifices
tech. mouth of the hole; mouth of the borehole; porthole
孔口: 541 phrases in 37 subjects
Agriculture20
Air defense1
Anatomy2
Architecture8
Automobiles11
Aviation6
Botany1
Chemistry3
Communications1
Compressors20
Construction3
Desert science2
Drilling2
Earth sciences1
Ecology3
Electronics6
Engineering geology11
Explosives and Explosive Ordnance Disposal15
Fish farming pisciculture2
Forestry1
General11
Hydraulics7
Hydroelectric power stations33
Life sciences1
Mechanics1
Metallurgy112
Oil / petroleum24
Pest control1
Plastics5
Refrigeration4
Reproductive biology2
Roll stock1
Space4
Steel production2
Technology205
Telecommunications1
Textile industry8