rotary disc meter 转盘式流量计

rotary y disc meter 转盘式流量计

cone-and-disc meter 盘塞式流量计

stroboscopic meter disc 频闪观测盘

Disc water-meter 盘式水表

disc water meter 盘形水表 ; 盘式水表 ; 盘形水量计

Meter disc 圆盘式水表

single-disc polyphase meter 单盘多相电表

disc infiltration meter 圆盘渗透仪