单词 | train derailment |
释义 | train derailment He published a paper on the main causes of train derailment and its present methods. Retrieved from Wikipedia CC BY-SA 3.0 It was the site of an unsolved deadly train derailment in 1978. Retrieved from Wikipedia CC BY-SA 3.0 Fractography can determine whether a cause of train derailment was a faulty rail, or if a wing of a plane had fatigue cracks before a crash. Retrieved from Wikipedia CC BY-SA 3.0 |
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