近年来，铁催化剂由于其成本低廉而且绿色无毒，引起了人们的广泛关注。

Recently, iron catalysts have received much attention due to their lower cost and environmental impact.

youdao

近年来，铁催化剂由于其成本低廉而且绿色无毒，引起了人们的广泛关注。

Recently, iron catalysts have received much attention due to their lower cost and environmental impact.

youdao