high gassy seam
基本解释
- [能源科学技术]水气驱替
英汉例句
- Under gassy coal seam condition, the full-heading development is employed. Because of the fast heading a high rate of gas emission arises.
在瓦斯含量较大的煤层采用综掘掘进巷道，由于掘进速度快，出现了瓦斯涌出量过大的现象。 - Gas drainage in high gassy coal seam with low gas permeability is always an hard solved significant technology problem in the process of safety production.
高瓦斯低透性煤层的瓦斯抽放，一直是煤矿安全生产过程中的重大技术难题。
双语例句
专业释义
- 水气驱替