阿摩線上測驗
10. The sulphur is troublesome due to its potential for _____________ and acid contamination
of the lubricating oil.
(A) ignition delay
(B) cold-end corrosion
(C) late combustion
(D) difficulty burning
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統計： A(122), B(784), C(130), D(123), E(0) #2333268
統計： A(122), B(784), C(130), D(123), E(0) #2333268
