6496| 8
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滾珠絲桿真的沒有間隙嗎? |
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點(diǎn)評(píng)
滾動(dòng)的為什么一定要有間隙?
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點(diǎn)評(píng)
同意,看選型,有預(yù)壓的和不預(yù)壓的,還有預(yù)壓等級(jí)
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