A good rule of thumb: no stretching or hard work until tenderness (pain when you push on the muscle or joint) is gone.
一个很好的经验法则：除非压痛(当你压肌肉或关节)都不见了，否则不做伸展或艰难的动作。
He said the two sides should make full use of the joint committee on bilateral cooperation as a platform to push forward the cooperation.
今后双方应充分利用双边联委会平台，推进新中合作。
A joint lever is arranged on the joint, and can press the push rod when pulled by a guy cable to open the valve core.
接头上有接头杠杆，在拉索的拉动下能够压动顶杆，打开阀芯。
A joint lever is arranged on the joint, and can press the push rod when pulled by a guy cable to open the valve core.
接头上有接头杠杆，在拉索的拉动下能够压动顶杆，打开阀芯。
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