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喷嘴口 pēnzuǐkǒu
avia. spray nozzle access; muzzle hatch
dril. jet hole
met. jet-pipe mouth; nozzle mouth; nozzle opening; nozzle orifice
railw. nozzle
喷嘴口: 50 phrases in 12 subjects
Automobiles4
Aviation10
Business1
Chemistry1
Construction1
Drilling1
Electronics4
Hydroelectric power stations2
Metallurgy10
Plastics1
Refrigeration3
Technology12