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Basal crack in steel rail is a larger breakage occurred in the center of steel rail bottom.
钢轨底裂是出现于轨底中央部分较大的破裂，严重时有底裂缺陷的钢轨达钢轨总产量的3.52%.本文探讨钢轨底裂的基本特征及其来源；
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However, the higher CRSS of basal slip raised the crack propagation driving force.
但较高的临界分切应力使得基面滑移系实际开动困难，增加了裂纹扩展所需驱动力。
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- 相关词组
- provide insurance against提供防止…的措施
- protection against direct contact直接接触防护
- protection against occupational poisoning防止职业中毒
- protection against venereal disease性病防治
- protection against insects防虫
- protection against radiation放射防护
- protection against weather防风雨措施
- protection against silicosis防止矽尘危害
- protection against termites防白蚁
- protection against overpressure超压防护
- protection against cold and freezing conditions防寒防冻
- protection against failure of water supply for once through boiler直流锅炉断水保护
- protection against unsymmetrical load不对称负载保护装置
- protection ratio against lightning impulse雷电冲击波保护比
- protect against cold怕冷(包装标志)
- protection against acid and fumes防酸和毒烟
- protection ratio against switching impulse操作冲击波保护比
- protection against indirect contact间接接触防护
- protection against single-phasing单相运行保护
- protection against stray pollen防止飘来花粉
