为什么超市着火后，老朽的消防车花费了一个小时才到达事故现场？
Why did it take an hour for decrepit fire engines to reach the blazing supermarket?
训练糟糕的突击队花了9个小时才到达袭击现场。
Properly trained troops took over nine hours to arrive at the scene.
现场服务：本工程特别委派一名参与本工程的工程师在保修期进行驻地售后服务，最迟4小时到达故障现场进行故障排除。
Field service: an engineer participating in this engineering is particularly appointed to conduct station after-sales service within the warranty period. At least 4 hours to arrive at the fault site.
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