cylindrical double-deck reticulated shallow shell  双层柱面网格扁壳

depressed center double-deck cars specialized for transport of automobiles  凹底双层运输汽车专用车

Double deck  双层; 双层桥面; 双层交通; 内盘固定外盘转动钻盘; 双层钢结构; 浮筏; 双甲板; 楼中楼

double deck alloy  双层合金

Double Deck Bus  双层公共汽车

double deck cage  双层式罐笼

double deck coach  双层客车

double deck condition train  双层空调客车

Double deck construction  双层施工

Double Deck Continuous Bridge  双层连续梁桥

double deck diesel motor train set  双层内燃动车组

double deck drawing capstan  双层拉线鼓轮

double deck jet  双层喷口送风

Double deck little canal  双层小导管

double deck nesting  双层嵌套

double deck passenger car  双层客车

double deck road  双层式道路

double deck sedan car  双层轿车平车

double deck settling basin  双层沉淀池