selfdrivevt.自动推进(自动步进)n.自动推进(自动步进)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-heating temperature自热温度self-terminating episode自限性发作self-sealing floor drain自动密封地漏self-lube cartridge unit自润滑环形轴承箱组self-help inquiry system自助查询系统self-recording mechanism自记录机构self-resonance frequency自谐振频率self-oriented innovation自主创新self-cleaning oil filter自洁式机油滤清器Self-regulating Strategy自我调整策略