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进人孔 jìnrénkǒng
gen. access
chem. access hole; access port
hydroel.st. manhole
tech. entrance hole; sewer manhole
进人孔进人洞 jìnrénkǒng
bridg.constr. manhole; entrance hole; access opening
进人孔机舱 jìnrénkǒng
wind. hatch
进 人 孔
: 20 phrases in 6 subjects
Architecture2
Aviation1
Construction1
Hydroelectric power stations8
Refrigeration1
Technology7