Twomblyn.通布利twonum.二；两个two-dimension memory[计] 二度存储器two-direction tunnel双向行车two-component system双组分系,二元物系two-point spark plug双电极火花塞two-well orientation两井定向two- dimensional bar二维条形码two warships formation双舰编队two-terminal element二端元件two-control airplane两个控制飞机two kinds of resources两种资源