不得修补外壳的关键部位或受力部位，特别是安装小耳或轴承区。
No repairs are to be made to critical or stress areas of housings, especially mounting ears or bearing areas.
车架结构运用有限元分析技术，工作受力部位采用增强刚度和强度结构。
Finite element technology adopted in frame makes more strength in working stress position.
车衡是殷周车子上重要的构件，被作为车子上主要牵引受力部位，发挥着重要的作用。
The Heng was an important component at the chariot in Shang dynasty, and regarded as its drawing and receiving position mainly and played an important role.
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