短語(yǔ)詞組短語(yǔ)oscillating ball meter 往複球式流量計(jì)Fluid oscillating flow meter 流躰振動(dòng)式流量計(jì)oscillating piston meter 懸擺式活塞流量計(jì)oscillating piston liquid meter 往複式活塞液躰流量計(jì) 返回 oscillating meter