3169| 12
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有沒有了解水冷卻螺旋輸送機(jī)(絞龍)計算模型的社友? |
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點評
粉的熱容量多大,問個問題半天都說不清楚。
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點評
別人問你問題,問一句回答一句,就不能一次把參數(shù)給全了
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