名词
中文翻译：阀门位置指示器
同义词：
['valve position indicator', 'valve position indicator device']
例句：
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1. The valveposition indicator is used to monitor the flow of oil in the engine.
阀门位置指示器用于监测发动机中油的流动。
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2.The technicians used the valve position indicator to diagnose the problem with the fuel pump.
技术人员使用阀门位置指示器诊断燃料泵的问题。
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3.The valve position indicator was designed to provide accurate readings for the operator.
阀门位置指示器被设计用来为操作员提供准确的读数。