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ventilating duct
auto. 通风排气管道
compr. 通风管道
ecol. 通风沟; 通风导管
el.mach. 风沟
hydroel.st. 通风道; 通风管; 通气管
tech. 通风
ventilating duct: 9 phrases in 3 subjects
Electric machinery5
Exhibitions2
Technology2