water pump

Bench of closed circuit cooling tower that is composed of boiler ,exchanger, orifice flowmeter, water pump, micromanometer , heat indicator and so on is established.

建立了由锅炉、换热器、孔板流量计、、计、温度计等仪器设备组成的封闭式冷却塔实验台。

By comparing the characteristics of submersible pump and vertical lineshaft turbine pump, comments are introduced on the selection and application of sea water lift pump and fire water pump.

通对潜与深井各方面特点的比较,提出洋平台和消防的使用方面的一些看法。