名词
中文翻译：Unknown
同义词：
['gas technician', 'gas handler', 'gas engineer']
例句：
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1. The gas-man was called to fix the leaky gas pipe.
煤气工人被召来修理漏气的煤气管道。
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2. The gas-man had to wear a gas mask when they entered the old building.
当他们进入那座旧楼时，煤气工人不得不戴上防毒面具。
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3. The gas-man carefully removed the gas cylinder from the wall and replaced it with a new one.
煤气工人小心翼翼地将煤气罐从墙上取下，并用一个新的替换了它。