沉井法施工
open cassion construction method
导井施工
construction of pilot shaft
立井施工速度
mine shaft construction speed
斜井施工
slope mine construction
slope-shaft construction
Construction of Inclined Shaft
凿井施工测量
construction survey for shaft sinking
钻井施工难点
drilling operation difficulty
泵吸反循环施工工艺
pumped reverse circulation workmanship
变掺量施工工艺
Construction Technique of Cement Addition Variation
长管棚施工工艺
long steel pipe construction technology
大型钢模壳施工工艺
Engineering techniques of large-scale steel fomwork
吊装施工工艺
hoisting construction craft