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鼓励向不使用[氟氯化碳] 和氟氯烃的设备过渡
encourage move from [cfcs and] hcfcs
Last Update: 2016-12-04
Usage Frequency: 1
Quality:
5． 氟氯烃
5. hcfcs
Last Update: 2016-12-04
Usage Frequency: 5
Quality:
