Without toxin and harm, the collector will not pollute the environment.

该捕收剂还具有无毒、无害，不会对环境造成污染等优点，效益显著。

youdao

Without toxin and harm, the collector will not pollute the environment.

该捕收剂还具有无毒、无害，不会对环境造成污染等优点，效益显著。

youdao