automatic vent自动排气automaticadj.自动的；无意识的；必然的n.自动装置；半自动武器automatic letter facing自动信件盖销装置automatic dividing head自动分度头automatic reinforcement自动强化automatic slide control滑块自动控制automatic error logging自动错误记录automatic light control自动光量调节automatic field forcing强迫励磁,强行励磁automatic-controlling自动控制automatic blow moulding自动吹塑automatic phase shifter自动移相器