1.Z-17 Electric rock-loading machine can be used together with tramcar for rock loading. Z- ... for mining, national defense, railway, hydropneumatic rock-loading machine-electric tunneling work.Electric rock-loading machine are divided to two types:with or without ... ,Uranium,Cobblestone,Marble Stone,Gyratory,Calcite,Clay, Dolomite Z-17 Electric rock-loading machine