... Contractor-Furniture 承包商-家具 Contractor-Mechanical 承包商-机械 Contractor-Plumbing 承包商-排水管道 ...
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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。
Coordinate with mechanical equipment contractor regarding installation of machine room ventilation and cooling equipment in machine room space.
与机械设备承包商协调，考虑设备间通风和设备间空间内制冷设备的安装。
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