冷却水机开机前应根据需冷却机器的使用情况来设定温度。
参考答案:对
In this country, coal electricity.
A.is used to produce
B.is used to produced
C.is used to producing
D.used to produce
请运用唯物史观关于生产力和生产关系原理分析这则漫画。