three plyadj.三层的(三股的;三夹板)
threenum.三n.三;三个adj.三个的
three-way ligation三元连接
three vidicon camera三视像管摄像机
three way gland cock三通填料旋塞
three-way analyzer三用分析议
threephase commutate三相整流
three-level schema三级模式
three heading method三导洞工法
three-plane theory三个平面理论
Three lines of ridge垄上三行
three-quarter hose中统袜