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荷蘭客戶圖紙要求 M20 K1.8 ELVZ的螺母,是不是國標的M20x1.5 ? |
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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,,浙公網安備33038202004372號 )
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