pithead

常见例句

Because resource is atrophic, original pithead 10, already shut 6 now.
由于资源萎缩，原有坑口10个，现已关闭6个。
Conditions at the village contrasted sadly with the training centre.For a start,there were no pithead baths.
乡村里的条件同培训中心相比是太差了。首先，没有浴池。
Conditions at the village contrasted sadly with the training centre. For a start,there were no pithead baths.
乡村里的条件同培训中心相比是太差了。首先，没有浴池。
Conditions at the village contrasted sadly with the training centre. For a start, there were no pithead baths.
乡村里的条件同培训中心相比是太差了。首先，没有浴池。
Three closing of pithead is realized by the technology transformation of safe door with coal electric drill motor.
通过使用煤电钻电机对副井安全门进行技术改造,实现井口三闭锁。
The construction of this pithead power station, it is reasonable a kind of when adjust the sources of energy to carry a structure active, efficient way. 2.
此坑口电站的建设，是合理调整能源运输结构的一种积极、有效的办法。