This a when your body needs a lot more rest & relaxation, so give yourself a break & know when it's time to kick back & rest & allow your internal batteries to re-charge...
这时你的身体需要放松，所以适当的时候就休息一下，给身体充充电。
Add a fixed roll based on the single back rest system, forming a double back rest system, then analysis.
并在此单后梁系统基础上，加设一固定后梁，组成双后梁系统，对其进行分析计算。
The utility model discloses a bus seat-chair, which comprises a chair seat and a chair back-rest that are connected as a whole. The chair seat and the chair back-rest are provided with cavities.
本实用新型公开了一种公交客车座椅，它包括连为一体的椅座和椅背，所述椅座和椅背内设有空腔。
The utility model discloses a bus seat-chair, which comprises a chair seat and a chair back-rest that are connected as a whole. The chair seat and the chair back-rest are provided with cavities.
本实用新型公开了一种公交客车座椅，它包括连为一体的椅座和椅背，所述椅座和椅背内设有空腔。
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