名词
中文翻译：Unknown
同义词：
['pushing tube', "propellant duct例句：1. The propulsive duct is responsible for the movement of the ship's engines.（推进管负责船舶发动机的运动。）"]
例句：
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1. The propulsive duct is responsible for the movement of the ship's engines.
推进管负责船舶发动机的运动。
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2. The propulsive duct is a crucial component in the engine system.
推进管是发动机系统中的关键部件。
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3. The propulsive duct is designed to improve the efficiency of the ship's propulsion system.
推进管的设计旨在提高船舶推进系统的效率。