为自己加油

The autobrake components located in the main gear wheel well consist of:Autobrake module;Right and left shuttle valve;Inboard and outboard antiskid valve; Fuses;Parking brake shutoff valve;Pedal switches; Solenoid valve and servo valve pressure switches.位于主起落架轮舱内的自动刹车部件包括：

A.自动刹车装置，右和左往复活门和脚蹬电门;
B.内侧和外侧防拖胎活门，保险活门和停放刹车断油活门;
C.电磁线圈活门和伺服活门压力电门;
D.以上都是;