词汇	东安
释义	东安 DōngĀnDongan繁体東安
随便看	inclinedseat valve inclined seat valve inclined section failure inclined sedimentation tank inclined segment inclined seismic zone inclined serration inclined shaft inclined-shaft inclined shaft and vertical shaft inclined shaft backfill with soil inclined shaft development inclined shaft development system inclined-shaft electric submersible pump Inclined shaft excavation inclined shaft flooded with water inclined shaft, incline inclined shaft lining inclined-shaft man car inclined shaft manrider signalling inclined shaft mucking apparatus inclined shaft partition inclined shaft sinking inclined shaft skip inclined shaft timbering