Proper maintenance of a ship could reduce _____ or even failure of the machinery.
Ademarcation
Bdeliberation
Cdelinquency
Ddegradation正確答案
答案與詳解
degradation 意為「劣化、降級、退化」,與 failure(故障)並列,指機械性能衰退,語意完美契合。
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