In the robot, two planetary gear mechanisms were assembled to realize the radial rectilinear stretching motion and a seal structure was used.
该净化机器人采用两组行星轮系组合来实现关键的径向直线伸缩运动，并合理配置密封来实现上述需求。
Try movement activities and stretching to build physical awareness of motion into the routine.
尝试运动和伸展活动，建立物理意识的运动纳入常规。
Resistance exercise may improve bone strength and decrease risk for osteoporosis, and stretching exercise may improve range of motion in cancer survivors with lymphedema.
抵抗力锻炼可能改善骨质密度和降低骨质疏松症的风险，并且扩大锻炼可以增加伴有淋巴水肿的癌症存活者的活动的范围。
Resistance exercise may improve bone strength and decrease risk for osteoporosis, and stretching exercise may improve range of motion in cancer survivors with lymphedema.
抵抗力锻炼可能改善骨质密度和降低骨质疏松症的风险，并且扩大锻炼可以增加伴有淋巴水肿的癌症存活者的活动的范围。
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