cupola melting造句怎么写

4、The high ambient temperature and damp weather has harmful influence on the cupola melting that causes increase of blow hole defect.

2、Personal property which is to be re-exported at the end of your visit is not subject to customs duties.

1、The status of cupola melting reflects the level of iron productuon.

3、Research on modeling and controlling of cupola melting process based on neural network