1.3.1 can add, delete, modify, and find data in the system as follows.1.3.1.1 information machine.1.3.1.2 information to repair.1.3.2 system repairs.1.3.2.1 data repair1.3.2.2 data report to repairs.1.3.2.3 summary report data, repair period.1.3.3 system can assign users.
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