self seal自密封
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-compacting mortar自密实砂浆
self adapting morphology自适应形态学
Self - creation spirit自为精神
self- adaptive control自适应控制
self-supporting target自托靶
self-conjugate element自共轭元素
self-propelled combine自走式联合收割机
self-operated business自营业务
self-rugulating heater自调节加热器
self-induced vibration自感振动