求翻译：浙江富马仪表有限公司音速喷嘴气流量标准装置检定流量计应用软件画面FLH负压法临界流文丘利喷嘴流量检定装置编码表是什么意思？

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zhejiang Fu Ma instrumentation ltd. sonic nozzle flow standard gas flow meter application software must be installed screen negative pressure FLH law TEXT critical flow nozzle flow kewley installation code table

Zhejiang rich horse measuring appliance limited company speed of sound spray nozzle air current quantity standard installment examination flowmeter application software picture FLH negative pressure law critical class article Kewley spray nozzle current capacity examination installment code table

Zhejiang instrument limited, Sonic nozzle gas flow standard device test flowmeter application software picture FLH Wen Qiuli critical flow nozzles by negative pressure flow calibration device for coding tables

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