钢轨被锁定后产生的温度应力σt与()成线性比例。A、轨温变化幅度B、钢轨长度C、锁定轨温D、作业轨温
钢轨被锁定后产生的温度应力σt与()成线性比例。
- A、轨温变化幅度
- B、钢轨长度
- C、锁定轨温
- D、作业轨温
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