单词	vegetation quantity
释义	vegetation quantity 绿量
随便看	telegraph switching system telegraph sybmol telegraph symbol telegraph system telegraph system analyzer telegraph system anlayzer telegraph tape telegraph tapping key telegraph tariffs telegraph telecommunication telegraph, telegraphy telegraph-telephone channel telegraph-telephone separation filter telegraph telephone signal convertor telegraph terminal telegraph terminal equipment telegraph terminal set telegraph text telegraph tractator station telegraph traffic telegraph translator telegraph transmission telegraph transmission channel telegraph transmission speed telegraph transmitter