依照婴儿成长，科学确定硬软适应度，分散婴儿全身压力，防止脊椎弯曲变形；
Grows according to the baby, the science determined that the hard soft sufficiency, the scattered baby whole body pressure, prevents the vertebra bending strain;
依照婴儿成长，科学确定硬软适应度，分散婴儿全身压力，防止脊椎弯曲变形；
Grows according to the baby, the science determined that the hard soft sufficiency, the scattered baby whole body pressure, prevents the vertebra bending strain;
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