public utility
效用曲面
utility surface【经】
暂无补充释义。
相关词条
possession utility
utility function
utility room
SUV(sports utility vehicle)
utility service
utility company
utility line (supply line)
utility surface【经】
暂无补充释义。
public utility
possession utility
utility function
utility room
SUV(sports utility vehicle)
utility service
utility company
utility line (supply line)