freon ammonia refrigeration equipment的意思|示意
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氟氨冷冻机械
freon ammonia refrigeration equipment的网络常见释义
氟氨冷冻机械 ... Freon 12 二氯二氟甲烷 freon ammonia refrigeration equipment 氟氨冷冻机械 freon brine refrigerating installation 氟利昂盐水制冷装置 ...