circular seam造句怎么写
- 造句
- 关注:1.59W次
Analysis and countermeasures of overproof of the edge deviation of welding line in circular seam welding of boiler drum
Coals are removed from circular seam of silo so that material section is increased and silo coal blockage is reduced.
- 文章版权属于文章作者所有,转载请注明 https://zhongwengu.com/sentence/0en2wq.html