名词
中文翻译：Unknown
同义词：
['pipe-control device', 'flowmeter']
例句：
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4.例句：1. The pycnotrope is used to measure the flow rate of the pipeline.
该装置用于测量管道的流量速率。
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2.The pycnotrope can be adjusted to control the flow of the liquid in the pipeline.
该装置可以调整以控制管道中液体的流动。
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3. The pycnotrope is an essential tool for maintaining the proper flow rate in a pipeline system.
该装置是保持管道系统适当流量的关键工具。