The paper discussed the following four points of (?)iew: 1. Three kinds of events in environmental pollution;

本文从国际议会联盟的环境会议谈起，叙述（1）当前世界三类公害事故；

youdao

The paper discussed the following four points of (?)iew: 1. Three kinds of events in environmental pollution;

本文从国际议会联盟的环境会议谈起，叙述（1）当前世界三类公害事故；

youdao