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滾珠絲杠的支撐軸承,在預(yù)拉伸結(jié)構(gòu)時(shí)應(yīng)該怎么選 |
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點(diǎn)評(píng)
拉伸量呢?多少好?表應(yīng)該打絲杠端部,肯定是背靠背的,因?yàn)楸晨勘车臒嶙冃魏箢A(yù)緊量是向縮小的跑
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