underheated emission

例句：

1. 1. The factory produces a lot of underheated emission during the manufacturing process.
   工厂在生产过程中产生大量的未加热排放物。
2. 2. Thistechnology can effectively reduce underheated emissionin power plants.
   这项技术能有效减少发电厂的未加热排放物。
3. 3. Underheatedemission is a major environmental issue that needsto be addressed urgently.
   未加热排放物是一个重要的环境问题，需要紧急解决。