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A: I work at a train station, and every month they test their workers.
答：我在火车站工作，工人每个月做一次检查。
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It is completed that is test of single vehicle and immovable train.
完成了该制动机的单车试验与牵引列车定置试验。
youdao
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It is completed that is test of single vehicle and immovable train.
完成了该制动机的单车试验与牵引列车定置试验。
youdao