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shuibengcunchu8zidozh13-11
- 对电机的缺相,过流,过压,欠压保护- it is very good, i wish every can learn this
zhushui
- 石油开采注水控制程序,控制注水机在几十个大气压下安全工作,并对大型电机进行保护。-Oil injection control program to control water in the tens of atm machine safety, and large motor protection.