From a strokemechanics perspective, there is one major cause of shoulder problems and that is the instinctive way in which swim to make breathing easier.
从运动生理学的角度,我们可以得出一个造成肩膀伤害的主要原因,还有个能立即让你的呼吸变容易的办法。
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Forged part and forming procedure and stroke-load curve obtained from rigid plastic FE simulation further discloses the deformation mechanics of closed die extrusion for spiral bevel driving gear.