谁没有一抽屉褪色的T恤或者一大堆已经失去弹性的橡皮筋？
Who doesn't have a drawer full of faded T-shirts or old rubber bands?
过热的弹簧应该更换，因为失去弹性的弹簧运行时达不到满意的效果。
Overheated springs should be replaced, since they may have lost tension and will not operate satisfactorily.
过热的弹簧应该更换，因为失去弹性的弹簧运行时达不到满意的效果。可使用弹簧弹力计进行检测。
Overheated springs should be replaced, since they may have lost tension and will not operate satisfactorily. Spring pressure can be tested with a spring-tension tester.
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