31-3 輪煞車之煞車蹄片回拉彈簧之彈力過弱時,容易使煞車鼓過熱
(A)O
(B)X
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統計: A(54), B(2), C(0), D(0), E(0) #2912261
統計: A(54), B(2), C(0), D(0), E(0) #2912261