名词
中文翻译：旋转膛线
同义词：
['rotary track', "revolving track例句：1. The revolver was a key part of the police's equipment.（警用装备中，转轮手枪是关键部分。）2. The revolving track is crucial for maintaining the smooth operation of the machine.（旋转轨道对于机器的平稳运行至关重要。）"]
例句：
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1. The revolver was a key part of the police's equipment.
警用装备中，转轮手枪是关键部分。
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2. The revolving track is crucial for maintaining the smooth operation of the machine.
旋转轨道对于机器的平稳运行至关重要。
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3.The revolver track is designed to allow easy loading and unloading of ammunition.
旋转膛线设计使得弹药的装载和卸载变得容易。