13608| 4
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NPT1/8 數(shù)控加工螺紋,粗車時大頭小頭尺寸多少啊 這個怎么算呢 |
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小黑屋|手機版|Archiver|機械社區(qū) ( 京ICP備10217105號-1,京ICP證050210號,,浙公網(wǎng)安備33038202004372號 )
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