Safe electrical sliding contact line is a kind of lifting.

安全滑触线是起重电气的一种。

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Sliding contact surfaces of the guide flange of the inner ring.

内圈引导法兰的滑动接触表面。

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Steel body sliding contact line is a kind of lifting accessories.

钢体滑触线是起重配件的一种。

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They calculated the force in question from the contact area of the toe, and found that toe pads were still sticky two minutes after the sliding had stopped, long after the point when, according to their estimate of its viscosity, all the mucus would have drained away.

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