selfegio视唱练耳
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-drilling screw自钻螺丝
self relative address自相对地址
self-energized seal自紧式密封
Self - help Tourism自助旅游
self-ignition index自燃指数
self-excited dynamo自激发电机
self-balancing test自我平衡测验
self-bonded carbide自键合碳化物
self-sealing hopper自动密封料斗
self loading conveyor自动装载输送机