矿井通风的总压力是矿井在井巷某断面具有的( )的总和。A:(静)压能和位能B:(静)压能和动能C:(静)压能、位能和动能D:位能和动能

作者: rantiku 人气: - 评论: 0
问题 矿井通风的总压力是矿井在井巷某断面具有的( )的总和。
选项 A:(静)压能和位能 B:(静)压能和动能 C:(静)压能、位能和动能 D:位能和动能
答案 C
解析

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