名词
中文翻译：Unknown
同义词：
['cleanout', 'drain', 'vent', 'discharge', 'outlet例句：']
例句：
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1. The tank needs to be cleaned out before the engine can start.
在发动机启动之前，油箱需要清空。
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2. The tank was drained and cleaned out thoroughly.
油箱被彻底清空并清洗了。
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3.The vehicle has a vent for the exhaust gases to escape from the tank.
车辆有一个排气口，用于让废气从油箱中排出。