selftestn.自身测试
selfn.自己;本性;自我pron.我自己;你自己;他或她自己adj.始终如一的;同一类型的;性质不变的v.近亲繁殖;自花授粉
self-guided tourism自助旅游
self-recovery winch自救绞车,自动拉出用绞车
self opening die head自动开合螺丝板牙切头
self-help community自助社区
self-thermo furnace自熔炉
self-powered digger自动挖掘机
self adjoint operator自伴算符
self-contained type自备式, 独立式
self-propelled test自航试验
self-ignition stove自燃炉