短语词组短語deep -cylinder cut-off 大截深滾筒high floodland and deep -cut channel 高灘深槽deep cut -off wall 深防滲牆ultra -deep concrete cut-off wall 超深混凝土防滲牆deep stirring cement -soil cut-off wall 深層攪拌水泥土防滲牆 返回 deep cut