阿摩線上測驗
18. What may happen if the safety devices are used wrongly?
(A) increase engine performance
(B) cause serious accident, injury or death
(C) reduce brake specific fuel consumption
(D) increase overall power output
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統計： A(8), B(50), C(16), D(17), E(0) #3154169
統計： A(8), B(50), C(16), D(17), E(0) #3154169
