blast gate
常見例句
- In order to adapt the need of loading and unloading drill rod of iron gate-opening machine for large-scale blast furnace, the new change rock drill machine is designed.
爲(wèi)適應(yīng)大型高爐開鉄口機的裝卸釺桿需要，設(shè)計開發(fā)了新型換釺機。 返回 blast gate