为自己加油

Wheel well fire indications occur on the P7 and P8 panels and an alarm bell is provided by the M315 module. What do the ""wheel well","alarm bell","module"mean ?

A.位置，  器件，  信号;
B.机轮，  喇叭， 装置;
C.警报，   轮子，  顶板 ;
D.轮舱，警铃， 部件;