3045| 12
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有沒(méi)有了解水冷卻螺旋輸送機(jī)(絞龍)計(jì)算模型的社友? |
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點(diǎn)評(píng)
粉的熱容量多大,問(wèn)個(gè)問(wèn)題半天都說(shuō)不清楚。
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點(diǎn)評(píng)
別人問(wèn)你問(wèn)題,問(wèn)一句回答一句,就不能一次把參數(shù)給全了
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