His speech strengthens the impression he is the main power in the organization.

他的讲话加深了他是这个组织主要掌权人物的印象。

Family is the main power for life!

家庭是人生奋斗的核心力量！

The main power is off.

主电源关了。

Open it only after main power is cut off.

只有在切断总电源后，才能打开。

The design of the main power cylinder is described.

这样，对动力缸的设计也就增加了难度。