名词
中文翻译：指示器盘
同义词：
['indicator', 'indicator disk']
例句：
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1.The new device has a sleek design and a large indicator disc for easy reading.
这款新设备设计简洁，有一个大的指示器盘方便阅读。
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2. The engineer used the indicator disc to mark the location of the fault in the circuit.
工程师使用指示器盘在电路中标记出故障的位置。
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3.The indicator disc was designed to indicate when the machine was running smoothly.
指示器盘的设计是为了指示机器运行是否平稳。