pithead

常見例句

Because resource is atrophic, original pithead 10, already shut 6 now.
由于資源萎縮，原有坑口10個，現(xiàn)已關閉6個。
Conditions at the village contrasted sadly with the training centre.For a start,there were no pithead baths.
鄉(xiāng)村里的條件同培訓中心相比是太差了。首先，沒有浴池。
Conditions at the village contrasted sadly with the training centre. For a start,there were no pithead baths.
鄉(xiāng)村里的條件同培訓中心相比是太差了。首先，沒有浴池。
Conditions at the village contrasted sadly with the training centre. For a start, there were no pithead baths.
鄉(xiāng)村里的條件同培訓中心相比是太差了。首先，沒有浴池。
Three closing of pithead is realized by the technology transformation of safe door with coal electric drill motor.
通過使用煤電鉆電機對副井安全門進行技術改造,實現(xiàn)井口三閉鎖。
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.
此坑口電站的建設，是合理調整能源運輸結構的一種積極、有效的辦法。