With the development of electricindustry, e-waste pollution has become a serious problem.
随着电力工业的发展，电子废弃物的污染已成为一个严重的问题。
2
A century later the picture was completely different: by then, the world had an electricindustry, and a quarter of its generating capacity was water powered.
一个世纪后，情况完全不同了：这时，世界上已经有了电力工业，其四分之一的发电量是水力驱动的。
3
Hupai is playing an indispensable role in the electricindustry.