A.環(huán)境溫度高導(dǎo)致流量計(jì)計(jì)量腔體與轉(zhuǎn)子間隙發(fā)生了變化 B.流量計(jì)檢定時(shí)和實(shí)際輸送的介質(zhì)不一致 C.油溫較高,粘度發(fā)生了變化造成泄露量增加 D.流量計(jì)故障
A.快速關(guān)閉 B.猛開(kāi)閥門 C.緩慢關(guān)閉 D.緩慢開(kāi)啟