单词	供销商
释义	供销商gōngxiāoshāngdistribution businesssupplier
随便看	proportional integral differential control proportional integral differential governor proportional-integral-differential{=pid} proportional integral governor proportional-integral {=pi} proportional integral，pi proportional intensification proportional intensifier proportional ionization proportional ionization chamber proportional ionization--chamber proportionalism proportionalist proportionalities proportionality proportionality constant proportionality--constant proportionality factor proportionality--factor proportionality law proportionality limit proportional limit proportional line segments proportional liquid sampler proportion allocation in stratified random sampling