英[\'rʌfənɪŋ]
美[\'rʌfənɪŋ]
I have a bad roughening of the skin.
我皮肤非常粗.
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The roughening process of unsaturated polyester resins and its technological criterion were described.
介绍了不饱和聚酯树脂的粗化工艺流程及各工艺规范.
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