名词
中文翻译：煤气管
同义词：
['gas pipe', 'gas passage']
例句：
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1.The engineer designed a gas tunnel to bypass the mountain.
工程师设计了一个煤气管来绕过山。
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2. The gas tunnel was used to transport gases through the city.
这个煤气管被用来通过城市输送气体。
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3.Gas tunnels are essential for transportation and industrial processes.
煤气管对于运输和工业过程至关重要。