CFCs are commonly used as refrigerants in air conditioners and freezers, and asin fire extinguishers.

  • 含氯氟烃通常用作空调机和冷冻机的冷却剂, 而哈龙则用作灭火器的补充剂.

  • 互联网摘选 2025-01-18 13:50:42

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