fluid flow measuring device
fluid flow measuring device
流体流量测量装置
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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Impeller-type flowmeter in the years of practical application, its working principle is relatively simple, general talk about is the principle of angular momentum of fluid flow measuring device.
多年来，叶轮式流量计在许多领域得到了较多的实际应用，其工作原理比较简单，概括的讲就是应用流体动量矩原理测量流量的装置。
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