p data-id="gnwlhtmgu0">压焓图(pressure-enthalpy diagram)是指
eev has high accuracy in control of gas flow & evaporation, to
r410a r134a r22 pressure gauge refrigerant table psi kpa
refrigerant manifold pressure gauge single gauge apply for r4
膨胀阀ppt 热力膨胀阀-tge系列 -tge系列能 力范围 type tge r410a
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