The piriformis muscles, strong external rotators of the thigh, attach to the sacrum and the femur. Stretching them can increase S-I joint instability.
梨状肌是附着在骶骨和大腿骨上的强大的回旋肌，对他们的拉伸有损于骶髂关节的稳定性。
The company also offers in-die maintenance systems such as washers and openers/rotators.
该公司也可以提供模具本身的维修工具例如模具清洗设备和起子等。
Inset: illustrating the stretch of the external rotators of the shoulder through internal rotation of the humerus.
插图：说明了肱骨内旋中的肩关节外旋伸展。
The use ratio of mechanical horizontal rotators in screening tests was only 28% on spot checks.
在部分现场抽查的实验室中，筛查试验时使用水平摇床的仅占28%。
The basic working principle, major technique parameters, major equipment structure, and selection, design, and fabrication of key parts of rotators special for autoclave body polish were presented.
介绍釜体抛光专用转罐机的基本工作原理、主要技术参数、主要设备构成、关键部件的选用、设计和制作。
But it is not suit for precision dies, such as the folding and riveting die for the stators and rotators of motors. For precision dies, the method of bonding the guide bushes with glue is applicable.
但此方法用于精密模具(如电机定转子叠铆模)则有一定的弊端，用胶水粘接导套的方法可适用于精密模具。
But it is not suit for precision dies, such as the folding and riveting die for the stators and rotators of motors. For precision dies, the method of bonding the guide bushes with glue is applicable.
但此方法用于精密模具(如电机定转子叠铆模)则有一定的弊端，用胶水粘接导套的方法可适用于精密模具。
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