3625| 8
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銑床鉆孔快通時(shí)噪聲很大鉆不通時(shí)怎么回事 |
點(diǎn)評(píng)
應(yīng)該不是料的問題 ,有很多孔要打。 都是在快通時(shí)才這樣 。
床子在轉(zhuǎn),鉆頭一頂一頂?shù)木褪窍虏蝗?nbsp;
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