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金屬互配螺紋管控以什么為標準,能夠量化管控螺紋的配合 |
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點評
別專業都不是機械的做的檢驗,那就純廢物了。
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Archiver|手機版|小黑屋|機械社區 ( 京ICP備10217105號-1,京ICP證050210號,浙公網安備33038202004372號 )
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