Autogas液化石油气auton.汽车pref.自动的v.乘汽车autochthonous species土著种autologous substitute自体材料Auto-Port-Mapping自动端口映射autogeneous shrinkage自收缩auto service industry汽车服务业automorphic potential自守位势autoinhibiting factor自身抑制因子autoregressive source自回归源autocontrol extension热工自动化auto-switching test自切试验