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两条并联的巷道,风阻大的 。
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两条并联的巷道,风阻大的 。
A、风量小
B、风速小
C、风压大
D、风量大
时间:2021-09-01 22:49
关键词:
联大
河南理工大学
矿井通风与安全课程设计
答案解析
A
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两条并联的巷道,风阻大的 。
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