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7噸的載荷,只選了額定靜載荷是5.6噸的絲桿---[請教] |
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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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