爆破开挖方法
Options of blasting excavation
减小船挖方量
diminution of gold dredger’s excavation cubage
台阶分部开挖方
step branch excavating method
填、挖方量
Amount of fill and excavation
填挖方结合段
a joint section with filling and cutting
填挖方量
Amount of filling and cutting
填挖方平衡
filling and excavating counterpoise