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单选题
如果更改此修理程序，须获得设计机构的批准。
A
A.The Design Authority is responsible for approving and changing the repair procedure.
B
B.Any alteration to this repair procedure must get verbal approval of the Design Authority.
C
C.If you change this repair procedure, get approval of the Design Authority.
答案解析
正确答案：C
相关知识点：
修理程序改，设计部批准
