Another transit worker at the scene said it took 20 minutes before a contractor arrived to disengage the mechanical platform extender and another 10 before the victim was freed by police.
另一位现场列车工作人员告诉记者在承包商赶到解除站台系统后已经过去了20分钟，之后警察又花了10分钟将受害者救出。
Given this optimistic approach to technological innovation, the American worker took readily to that special kind of nonverbal thinking required in mechanical technology.
有了这种对技术革新的乐观态度，美国工人很快便习惯了机械技术需要的那种特别的非语言的思维方式。
Then a mechanical arm knocks them down to a worker who inspects the welding job.
然后一个机械臂将焊接好的外壳打落在工作台上并由一名工人检查焊点。
The device of the invention has the advantages of mechanical operation, reduced labor intensity of worker, increased labor efficiency and guaranteed grinding quality.
本发明装置机械化作业，减轻工人劳动强度，提高劳动效率，保证磨削质量。
The device of the invention has the advantages of mechanical operation, reduced labor intensity of worker, increased labor efficiency and guaranteed grinding quality.
本发明装置机械化作业，减轻工人劳动强度，提高劳动效率，保证磨削质量。
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