[ QCZ-1气动冲击钻[Y5式凿岩机] ]

[ QCZ-2气动冲击钻[Y6式凿岩机] ]

[ CQSX3.5 ]

[ 钻头8*280 ]

[ 钻头10*280 ]

[ 钻头12*280 ]

[ 钻头14*280 ]

[ 钻头16*280 ]

[ 钻头18*280 ]

[ 钻头20*280 ]

[ 钻头22*280 ]

[ 钻头24*280 ]

[ 钻头26*280 ]

[ 钻头28*280 ]

[ 钻头30*280 ]