色噜噜狠狠一区二区三区果冻,极品少妇被后入内射视,亚洲人妻熟妇在线,精品人妻午夜一区二区三区四区

Hanchuan, Hubei, the Inland Revenue Department office building a set of non negative pressure frequency conversion equipment 5.5kW dual-use

 The project is a turbocharged turbocharged direct tap water supply equipment, adopts the imported pumps Grundfos, power is 5.5kW, the control method is with a preparation. So far, the project has been fully debugged, normally pressurized water supply, according to the customer equipment itself show good stability, pressure is also relatively stable, low noise, water pump frequency operation, water supply can meet the maximum flow