Constant-current System Modification for Energy Conservation

• 供电稳流系统改造；企业节能增效

Constant-current System Modification for Energy Conservation的用法和样例：

例句

1. Using this system to drive mine ventilator,the purpose of energy saving and profit increasing is achieved.
   用该系统驱动矿井通风机，达到了节能增效的目的。