Leg Spring Stiffness 跑步功率计量化跑步技术下肢弹簧刚性
pressure spring of machine leg 机脚压簧
Spring Leg Jack 弹簧腿杰克
spring steel leg 弹簧钢支柱
Spring tendons enhance the foot’s efficiency: some of the energy spent to drop one’s weight down when taking a step is actually stored and then returned to the leg as it rebounds.
人们走路每迈出一步，重量落下时所输出的一部分能量，事实上被脚弓存储起来，然后被脚弓弹起，这部分能量就又返回到腿部。
In the spring and autumn period, jin prince chong 'er is a fugitive, hard life, with his jie zitui willing to cut a piece of meat from his own leg let him.
春秋时代，晋国公子重耳逃亡在外，生活艰苦，跟随他的介子推不惜从自己的腿上割下一块肉让他充饥。
Since joining the spring brother teach, leg also not acid, waist pain, also have a meal, also have appetite for energy, life fun!
自从加入春哥教，腿也不酸了，腰也不痛了，吃饭也有胃口了，工作也有干劲了，人生找到乐趣了！
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