名词
中文翻译：Unknown
同义词：
['precautory detector', 'pre-detector', 'pre-detector detector']
例句：
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1. The pre-detector is used to detect the presence of harmful chemicals in the air.
预检测器用于检测空气中有害化学物质的存在。
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2. The pre-detector is a crucial component of the safety system.
预检测器是安全系统的关键组成部分。
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3.The pre-detector can alert the operator to potential hazards before they occur.
预检测器可以在潜在危险发生前提醒操作员。