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鑄造鋁合金活塞表面有鑄造氣孔能返工嗎,? |
點(diǎn)評(píng)
細(xì)看,還有裂紋,。
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點(diǎn)評(píng)
不看的嗎,?鑄造鋁合金活塞
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點(diǎn)評(píng)
就是現(xiàn)在的人你拿他沒(méi)辦法,,有些是確實(shí)啥都不知道,,說(shuō)都說(shuō)不了,你告訴他了,,他還讓你解釋?zhuān)墩f(shuō)不懂,,我問(wèn)他們,,用硬紙板給你糊高樓,你去住嗎,?
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