Promoting growth, helping deposition calcium and phosphate, promoting development of bone and cartilage, maintaining joints.
推进生长，协助钙磷堆积，推进骨骼及软骨发育，养护关节。
Maintaining good posture is important for protecting your joints, bones and muscles, which will reduce the risk of injury as you age, she explains.
维持良好的姿势十分重要，可以保持你的关节、骨题及肌肉，降低受伤的风险。
Because there are no closed-loop and complex joints in limb, manufacturing cost can be reduced while maintaining accuracy.
由于分支运动链中不含有闭环子链和复合铰链，使制造成本降低且容易保证精度。
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