three out三人出局threenum.三n.三；三个adj.三个的three layer transistor[计] 三层晶体管three channel pregroup三路前群three-way dump truck三向倾卸货车three-suface theorem三曲面定理three - side trimmer三面切书机three drift hypothesis三流假说three-coil generator三绕组发电机three-poine climbing三点固定法Three-wide education三全育人three-cornered trade三角贸易