The channels connect 400 electricpumping stations.
这些渠道连接着400多座电灌站。
2
The safety reliability and system risk estimation formula of electricpumping system are established by means of the safety systematic engineering method.
按照安全系统工程法，建立了电泵系统的安全可靠度以及系统风险评价的量化公式。
3
A new structure of choosing electric motor for the pumping unit was recommended, and a model was built to calculate the day-power consumption.