氟利昂r22-氟利昂有几种?R22有何区别?氟利昂有几种?R12、R22有何区氟里昂制冷剂主要包括 R11、R12、R113、R114、R115、R500、R502 和 R22、R123、R141b、R142b 及 R134A、R125、R32、R407C、R410A、R152等常用的昂制冷是R12(二氟二氯甲烷,沸点为-29.8℃)R12 常用于冰箱、R2 …
氟利昂
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氟利昂r22-氟利昂有几种?R22有何区别?氟利昂有几种?R12、R22有何区氟里昂制冷剂主要包括 R11、R12、R113、R114、R115、R500、R502 和 R22、R123、R141b、R142b 及 R134A、R125、R32、R407C、R410A、R152等常用的昂制冷是R12(二氟二氯甲烷,沸点为-29.8℃)R12 常用于冰箱、R2 …