377 If a vehicle travels downhill for a long period and the brakes are continuously applied, the brake fluid temperature usually
(A) rises.
(B) remains unchanged.
(C) drops.
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統計: A(3), B(0), C(0), D(0), E(0) #2214838
統計: A(3), B(0), C(0), D(0), E(0) #2214838