11985| 28
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鋼管圓弧面上鉆孔有什么好辦法嗎 |
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點(diǎn)評
你銑成平臺后在用鉆頭鉆,,鉆通時(shí)內(nèi)壁開始溜刀,出口尺寸能準(zhǔn)確嗎,?
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點(diǎn)評
方法挺好的,。頂
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點(diǎn)評
這個(gè)匯總的很全面
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