Terms containing top heading method

Subject	English	Chinese
railw.	top and bottom heading method	上下导坑法
railw.	top and twin-side bottom heading method	品字形导坑法
tech.	top heading and bench method	顶撑及平台法
eng.geol.	top heading and bench method	顶导坑及平台法
expl.	top heading and bench method	上部掘进工作面台阶开挖方法
tech.	top heading and bench method	坑台法
eng.geol.	top heading method	顶部导坑法
tech.	top-heading method	上半断面超前施工法
tech.	top-heading method	上导坑法
tech.	top-heading method	上部超前掘进法
tech.	top-heading method	上导洞法 (开挖隧道)
tech.	top-heading method	顶撑法
tech.	top-heading method	上半断面开挖法