当凯利没有时间做整套练习时，他会用俯卧撑手柄快速做一轮俯卧撑，直到无力再做。 这种手柄可以通过旋钮调节，让练习更具挑战性。
When he doesn't have time for a full workout, Mr. Kelly will do a quick round of push ups using push-up handles, which swivel to make the exercise more challenging, until he can't do any more.
在调节完成后，紧固锁紧螺母，重新安装快速进水手柄帽。
After completing adjustments, tighten the lock nut and replace the fast fill lever cap.
拆卸快速进水手柄帽，松开紧锁螺母。
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