A.轉(zhuǎn)子流量計(jì) B.靶式流量計(jì) C.渦輪流量計(jì) D.電磁流量計(jì)
A.4.14kPa B.20kPa C.12.48kPa D.8.28kPa
A.0.55% B.0.41% C.0.54% D.0.5%