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学龄儿童睡弹簧床等软性床,脊柱骨长时间弯曲,久而久之,脊柱骨的发育就会受影响.对大量10～14岁儿童普查结果发现,脊柱侧
School-aged children sleeping in bed and other soft beds, spinal column bending a long time, over time, the development of spinal bones will be affected.A large number of 10 to 14-year-old children survey found that the spine