滑动门在槽沟中移动。
门页的移动元件和从动衣架件采用与固定元件滑动配合的方式。
The moving element and the driven hanger piece of the door page adopt gomphosis sliding fit with the fastening element.
同样，他们还使用超声扫描，测量这些志愿者样本脚部上下移动之时跟腱的滑动。
They also used ultrasonic scanning to measure the sliding motion of the Achilles tendons of their volunteers as their feet moved up and down.
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