twogridadj.双栅极的
twonum.二;两个
two-dimension code二维码
Two -shot grouting双液注浆
two-gas space suit双气体航天服
two key cryptosystem双密钥密码系统
two - stage drying二级干燥
two-layer equation双层式
two points threshold两点阈
two-stage producer[化] 两段发生炉
two to one principle[经] 二对一原理
two-screw oil pump双螺桨油泵