N the change in shape of a material that results when the load to which it is subjected causes the elastic limit to be exceeded and is then removed 永久变形 [engineering]
There is no permanent set to the rung and no damage to the ladder.
没有长期设置为响,也没有损害的阶梯。
Permanent set is one method by which the contact force decreases over time.
永久变形是触点压力随着时间变化而降低的一种方式。
When you save the queue as a playlist it is added to your permanent set of play lists.
将队列保存为播放列表后,就会添加到永久播放列表集。
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