哪位知道什么叫残留扭矩？如果有，请告知 谢谢！

查了好多搜索引擎都没有答案，但用英文“residual torque”，如果这个是正确的英文的话，找到：
What is the definition of residual torque?
The amount of tension that remains in a joint after fastening a threaded fastener.
内容参见：http://www.toolingu.com/definiti ... esidual-torque.html

这是测量残留扭矩的仪器吧：

83572.jpg (7.52 KB) 2008-6-5 08:43

Residual torque is most often measured using a transducerized electric wrench, like this one, or a hand tool, such as a click wrench or dial wrench. Photo courtesy Cooper Power Tools

来源参见：http://www.assemblymag.com/Articles/Feature_Article/d2050b330b5c9010VgnVCM100000f932a8c0____

请问楼主，这个词汇主要用在什么场合，能否给个上下文好让大家分析啊。我怎么查了好多都用在纺织行业啊。