One-two-two-four model  制造厂; 厂商; 制造者

The two roller caster without framework  无机架铸轧机

Two Heavy Rollers  双重轧车

two roller mill  双辊磨碎机

two two-level atoms  双二能级原子

Two-roller bending  两辊

two-roller bit  双牙轮钻头

two-roller temple  双辊撑边器

two-two comparison matrix  两两比较矩阵

Two-two control  二二控制

DESIGN OF HEAVY ROLLER HEATING FURNACE  大型轧辊加热炉的设计

Heavy Roller  大轧辊; 剧烈横摇船

coupled two-atoms with two-level  耦合双能级原子

flat field two-mirror two-mirror system  平场两镜系统

put two and two together  根据事实推理

two adjacent edges simply supported and the other two adjacent edges clamped  两邻边铰支两邻边夹紧

two and two cheek  双经双纬格子花纹

two and two rib stitch  2╳2罗纹

two and two twill  二二斜纹