就连人类的工程师，也很难处理。 这就是为什么带有水源供给，废水排污，煤气管道和电气线的旋转建筑那么稀缺的原因。
Even human engineers have difficulty with it, which is one reason why revolving buildings—with their need for water, sewerage, gas and electrical connections—are so rare.
工程师们正在彻底调查有关煤气爆炸的原因。
The engineers are thoroughly (investigating) the causes of the gas explosion.
由于要养活五口人，那位失业者的高级工程师只得将就着在一家煤气站工作。
Having five people to support, that unemployed senior engineer settled for working in a gas station.
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