Environment, change, route, but also changed, and the time is difficult to change, still I.

环境，换了，路线，也改了，而一时难变的，依然还是我。

youdao

In a word, the route is very clean and friendly to the environment.

本合成路线经济合理，无“三废”产生，属于环境友好过程。

youdao

In a word, the route is very clean and friendly to the environment.

本合成路线经济合理，无“三废”产生，属于环境友好过程。

youdao