beam-deflection ultrasonic flowmeter

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1.	声速偏转式超声流量计 ... beam, 横梁；声速 beam-deflection ultrasonic flowmeter, 声速偏转式超声流量计 beam-loading thermobalance, 水平式热天 … www.docin.com
2.	射束偏转式超声流量计电子类词汇表 B... ... beam spot diameter 束斑直径 beam-deflection ultrasonic flowmeter 射束偏转式超声流量计 ... www.en8848.com.cn