automatic dam自动放水闸automaticadj.自动的；无意识的；必然的n.自动装置；半自动武器automatic safety valve自动安全阀automatic machine tool自动机床automatic water tester自动水中检漏计Automatic Vent Control自动通风口控制automatic routine test自动例行测试automatic pickup baler自动捡拾压捆机automatic drum machine自动鼓式复印机automatic iodine doser自动加碘装置automatic pipet rinser移液器自动清洗仪Automatic leather drum皮革转鼓