名词
中文翻译：卷筒式齿轮
同义词：
['reel gear', 'reel gears']
例句：
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1.The car's engine has a new set of reel-off gears installed.
这辆车的引擎安装了新的卷筒式齿轮。
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2. The old machine had to be replaced with a more efficient reel-off gear.
旧机器必须用更高效的卷筒式齿轮来替换。
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3. The engineer carefully selected the right reel-off gear for the job.
工程师仔细选择了适合这项工作的卷筒式齿轮。