单词	等级电流
释义	同等级电流--阶梯电流
随便看	physical half life physical half-life physical handicap physical handicaps physical herbs physical horizon physical hydrodynamics physical hygrometer physical image physical impossibility physical impossibility (civil law) physical information source physical initialization physical injury physical input/output control system physical input/output control system，piocs physical instrumentation control physical intelligence physical interconnection level physical interface physical interface level physical interpretation physical inventory physical inventory book physical inventory entry