three tenadj.十分之三
threenum.三n.三;三个adj.三个的
three-ring reducer三环减速器
three-lobe bearing三叶轴承
three-state buffer三态缓冲器
three-cavity mould三开箱铸型
three level inverter三电平逆变器
three moment theorem三弯矩定理
three-step control三位控制
three-throw switch三向转辙器
three-pronged star三迹墨裂
three - phase foam三相泡沫