名词
中文翻译：同步带
同义词：
['slip gear', 'sprocket gear']
例句：
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1.The car's engine is running smoothly with the new lapping gear installed.
新安装的同步带使汽车发动机运行顺畅。
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2.The engineer used a special tool to remove the old lapping gear and install the new one.
工程师使用特殊工具来移除旧的同步带并安装新的。
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3.The machine has been designed to operate efficiently with its lapping gear set up correctly.
这台机器被设计成能高效运转，其同步带设置正确。