问题
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螺杆压缩机吸气压力为105Pa,排气压力为8×105Pa,空气等熵指数K=1.4,当实际容积为1 m3时,压缩机等
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某一活塞式空气压缩机将1m3空气由105Pa压缩至27×105Pa,其多变指数K=1.4。最佳压力比ε0=3,当等压比
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已知一台活塞压缩机,空气进口压力为105Pa,排气压力为3×105 Pa,空气等熵指数K=1.4,当容积为1 m3空
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热力学中气体的标准状态是指()A.压力为1Pa,温度为0℃B.压力为1个标准大气压,温度为0KC.压力为1Pa,
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△H=Qp适用于下列哪个过程? () A.理想气体从1×107Pa反抗恒定的压力1×105Pa膨胀到1×105Pa B.0℃、101325Pa
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从SF6气体钢瓶引出气体时 应使用减压阀降压。当瓶内压力降至9.8×104Pa 1个大气压时 即停止引出气体 并关紧气瓶阀门 盖上瓶帽。()
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