three wireadj.三线针的
threenum.三n.三;三个adj.三个的
three main classroom systems三大课堂体系
three-stages pumping tests三段抽水试验
three-part thinking theory思维三元理论
three coordinate measurement三坐标精密测量
three steps analgesic ladder三阶梯止痛
three-wheel delivery lorry三轮送货汽车
three-stage and two series三阶段两系列