词汇	封陲
释义	封陲 fēng chuí边疆。
随便看	mining subsidence mining subsidence area mining subsidence damage Mining subsidence forecast data mining subsidence lake Mining subsidence land mining subsidence law mining subsidence leveling mining subsidence observation mining subsidence observation station mining subsidence parameter mining subsidence prediction Mining Subsidence Science Mining subsidenee mining subsiding land mining survey mining surveying mining system mining system architecture Mining system engineering mining systems mining systems engineering mining tailings mining tailing wasteland mining tax