名词
中文翻译：推杆
同义词：
['pusher', 'propellant']
例句：
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1.The engineer was tasked with designing the new thrust barrel for the spacecraft.
工程师负责为太空船设计新的推进器。
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2.The rocket's thrust barrel is critical to its successful launch.
火箭的推进器对其成功发射至关重要。
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3. The scientist used a thrust barrel to push the car forward.
科学家使用一个推进器将汽车向前推动。