The manufacturer may establish procedures to provide feedback on unairworthy conditions.
制造商可以建立程序，就不适航条件提供反馈。
A.The manufacturer may establish procedures to provide drawback on unairworthy conditions. B.The manufacturer may establish procedures to provide response （反馈） on unairworthy conditions. C.The manufacturer may establish procedures to provide recall on unairworthy conditions.正确答案B
