2098| 3
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OSG VP-NRT擠壓絲錐,請教 |
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點(diǎn)評
有種不銹鋼油很薄的,,直接當(dāng)冷液,當(dāng)然成本是很高的,。但是你做得是316又是加工中心,,也就不在乎了吧
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