aerophotogrammetric field operation
- First about its field operations.
- These talents have been applied successfully in office management, field operation, purchasing, organizing and structuring of various departments.
- The result of field operation shows, the equipment is used widely, the measuring is accurate, and the effect is good.
- The paper describes some precautions in field operation and regular maintenance of MCEVOY "C" double ram valve.
- It is one of the technical problems in the field operation to choose the drilling fluid rheology model.