气体和蒸汽的温度分为类。
本发明还涉及这种膜用于分离极性气体和蒸汽的用途。
The invention further relates to the use of this membrane for separating polar gases and vapors.
远传压力表适用于测量对钢及铜合金不起腐蚀作用的流体，气体和蒸汽的压力。
The remote transmitting pressure meter is applicable to measure pressure of such liquids, gases or vapors that have no erosive attack on steel or copper alloy.
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