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collecting main
archit. 总管
chem. 收集主管
coal. 集水干 〔管〕线; 汇流排〔条〕
compr. 集流管
el. 主管
el.mach. 干管
eng.geol. 集水总管
met. 降尘总管; 大烟道; 集气总管; 【团】 集气总管
tech. 回流条; 回流排; 集水干线; 集水干渠; 集水干管; 总管 (气、水等)
telecom. 汇流排
wind. 母线
collecting main: 12 phrases in 5 subjects
Chemistry1
Hydroelectric power stations1
Metallurgy3
Oil / petroleum2
Technology5

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