单词	空表示法
释义	空表示法null representation
随便看	adjustable gage adjustable gage, adjustable gauge adjustable gang-condenser adjustable gauge adjustable grid adjustable grid bar adjustable groin adjustable guard adjustable guide blade adjustable guide roller adjustable guide vane adjustable head hold adjustable head t-square adjustable horizontal bar adjustable illumination adjustable inductance adjustable inductor adjustable instrument mounting adjustable interruption adjustable ladder adjustable legs adjustable limit snap gage adjustable limit snap gauge adjustable line balance adjustable linkage mechanism