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泵口 bèngkǒu
refrig. inlet port
tech. pumping hole
泵〔抽气,通气〕口
gen. pumping hole
泵口
: 71 phrases in 17 subjects
Agriculture1
Architecture1
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Business1
Chemistry2
Drilling3
Electronics2
Hydroelectric power stations3
Mechanics1
Mining4
Nautical1
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Refrigeration1
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Technology26