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Refrigeration industry downturn, fluorine chemical market price deadlock
时间：2020-08-03 09:23:34•点击：69297 次
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details >>0308
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Goodbye in June, hello in July, goodbye in the first half of the year, and hello in the second half!
时间：2020-07-01 15:32:04•点击：105775 次
Half of 2020 has passed, a brand new second half o...
details >>0107
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