ditch blasting

同义词释义

1)ditch blasting,开沟爆破2)trenching shot,开沟爆破3)ditching,开沟4)ditch,开沟5)furrowing,开沟6)plow ditching method,开沟7)exterior gradual ditch,渐进开沟8)Ditching chain,开沟链9)ditching machine,开沟机10)depth of furrow opening,开沟深度