一个新的烟囱，替换了5年前那个又旧又高的，能更好地限制废气的排放。

A new smokestack, which is better able to trap emissions, replaced the older, taller one five years ago.

youdao

一个新的烟囱，替换了5年前那个又旧又高的，能更好地限制废气的排放。

A new smokestack, which is better able to trap emissions, replaced the older, taller one five years ago.

youdao