爆破开挖方法
Options of blasting excavation
敞开式开仓条件
the conditions of opening the cabin
对称土方开挖
symmetry earthwork excavation
荷花开式开关模机构
Lotiform Open-close mould
石方开挖
Excavation of rock
rock excavation
excavation of cubicmetre earth and stone
exploding rock
rock exploding
台阶分部开挖方
step branch excavating method
土石方开挖
Rock and Earth Excavation
cutting excavation
行动展开方式
practical ways of rights action