Accident investigation and its analysis的用法和样例：
- Through accident investigation and analysis on fracture characteristics of work roll,spalling from barrel internal thread-like crack was found.
- To amend the flight data from the airborne FDR, QAR, DAR and CVR in accident investigation and unsafe-event analysis, the visualization technology of flight data is studied.
- The division conducted regular spot checks on pressure equipment; examination for the issue of certificates of competency; accident investigation and promotion of safety.
- Here are the main contents of this dissertation:Chapter 1 deals with the purpose of marine accident investigation and process.