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Let me ask you a question. Is ammonia the first medium or the second group?
Let me ask you a question. Is ammonia the first medium or the second group?
hao先生
Ask me if ammonia belongs to the first group or the second group. According to the volume regulation, the medium is ammonia, water and temperature is 160.
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2018-08-17
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TuKai
Take a closer look at how to write on the rules.
2018-08-17 09:11:42
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