... 封罐机托板 can lift pad 封罐机托板中轴 can slide shaft 托罐盘 lifter ...
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In addition, the shaft not only can rotate, but also can slide axially when matched with an inner race. In this way, the scope of application is further enlarged.
另外，轴与内圈配合后不仅可转动，还可轴向滑动，适用范围进一步扩大。
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