短语词组短语deep -cylinder cut-off 大截深滚筒high floodland and deep -cut channel 高滩深槽deep cut -off wall 深防渗墙ultra -deep concrete cut-off wall 超深混凝土防渗墙deep stirring cement -soil cut-off wall 深层搅拌水泥土防渗墙 返回 deep cut