save energy effect

I can have a low carbon lifestyle, save energy at home, but how much of an effect will I have?

我可以在低碳生活，在家里节约用电，但是我的作用又有多大？

The way of supplying heat with low vacuum of small-middle steam turbine can save energy sources, but it will have effect on safety of steam turbine itself.

中小型汽轮机低真空供热可以节约能源，但对汽轮机本身的安全性会产生一定的影响。

The effect of energy-saving can be obviously observed. It can save 75% more electric energy than the traditional pulse generator when cutting the same area.

可以看出该脉冲电源节能效果显著，在切割相同面积时，比传统脉冲电源节约电能75%以上。