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单选题
接地保护是Touchdown protection is :
A
一种防滞系统测试的必需条件。a condition needed for the anti-skid system test
B
一种在液压简图页上显示的刹车指示。A braking indication presented on the HYDRAULIC synoptic page
C
防滞控制系统的一个特性。A feature of the anti-skid control system
D
跟起落架收回有关。Associated with landing gear retraction
答案解析
正确答案：C
