雪種制冷劑    殼牌雪種HFC-134a     環球冷媒    極豹冷媒   藍雪冷媒    雪山熊冷媒      美國ID冷媒    弘達冷媒    冷媒 氟利氧  制冷劑 冷凍油 雪種  環保冷媒 環保制冷劑 環保雪種  R134a冷媒   R22冷媒  R410a冷媒   R600a冷媒   R134a制冷劑   R22制冷劑  F12制冷劑    F12冷媒  R410a制冷劑  R600a制冷劑  雪種R134a    雪種R22  雪種F12    雪種R410a    R134a環保冷媒   R22環保冷媒   F22家用冷媒   F12環保冷媒