24245| 7
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圖紙上梯形螺紋標注: TR40*12/2-LH-8H 這個標注是什么意思! 在線等,萬分感謝 |
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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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