摘  要：本文闡述了超聲波流量計(jì)的原理及特點(diǎn), 并介紹了超聲波流量計(jì)的應(yīng)用及應(yīng)用進(jìn)展.超聲波流量計(jì)與羅茨流量計(jì)進(jìn)行性能對(duì)比，介紹了單聲道、多聲道超聲波流量計(jì)的不同特點(diǎn)。探討了超聲波流量計(jì)計(jì)量精度的主要影響因素（氣體組成、流場、臟污）及應(yīng)對(duì)措施。 關(guān)鍵詞：超聲波流量計(jì)   羅茨流量計(jì)   單聲道   多聲道   計(jì)量精度 Abstract: In this paper, the principle and characteristics of ultrasonic flowmeter, and introduces the application and progress of ultrasonic flowmet[登陸后可查看全文]