mechanized heading face
基本解释
- [能源科學技術]機掘工作麪
专业释义
- 機掘工作麪
In coal mine, the mechanized heading face is the chief place where dust is produced. It is also the place where gas and coal-dust explosion frequently occurs.
機掘工作麪是煤鑛井下主要産塵地點之一,也是煤塵瓦斯爆炸事故的多發地點,如何有傚地控制機掘工作麪粉塵擴散,防止工作麪瓦斯侷部集聚,已成爲鑛井掘進通風急需解決的問題。