名词
中文翻译：河流水质监测器
同义词：
['river monitoring device', 'river water quality sensor']
例句：
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1. The riverwater quality monitor is used to detect the pollution levels in the water.
河流水质监测器用于检测水中的污染水平。
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2.The government has launched a campaign to improve the water quality of rivers.
政府已启动一项运动，以提高河流的水质量。
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3.The river water quality monitor was installed at the entrance of the city to monitor the water quality before it reaches the river.
在城市入口安装了河流水质监测器，以监测水到达河流前的质量。