3533| 5
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1"的NPT螺紋加工出的深度和程序?qū)懙牟灰粯?/span> |
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點評
我就是問為啥不準(zhǔn),,用G76做的,,收尾是0,,螺距2.209,正好少一個螺距,。難道要故意多進去一點嗎,?
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