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净断面
hydroel.st. clear opening
tech. clearing section; inner cross-section; net section
净断面井巷有效使用的横断面,参见 net section
expl. clear section
巷道净断面
eng.geol. finished cross-section
净断面井巷有效使用的横断面。参见 clear section
expl. net section
管道的净断面
tech. clear opening
净断 面: 15 phrases in 5 subjects
Chemistry1
Electronics1
Hydroelectric power stations2
Plastics1
Technology10