词汇	mine ventilation shaft
释义	mine ventilation shaft 风井
随便看	Project Charter and Risk Registers Project Charter.Formally authorizes the project project charting Project charting foundation project charts and layouts project checking Project checking and accepting project chief Project Chinese and English synopsis project choice Project Choice and Risk Management project circuit project city project civilian resettlement project claim project claims project classification project closeout Project Closeout and Startup Costs project club project cluster Project-clustered project cluster teaching modes project code project collaboration