Unless a person gets sufficient rest, avoids mucus-forming foods, and recovers fully, the sinuses will not drain completely.
除非一个人得到充分的休息，避免粘液形成的食物，并完全恢复，鼻窦不会完全流失。
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。
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。
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