新的1-2百。加排冷凝液都需要執照。還要專門設備回收，這玩意破壞臭氧層厲害。你沒有焊接+封口+測壓設備也跟本不做不了

來源: 味苦於 2017-08-30 11:25:24 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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