英语词汇“average effectiveness level”的读音、翻译、释义、用法及例句-语文网

词汇	average effectiveness level
释义	average effectiveness level 平均有效率（=availability ratio）有效服务时间（总服务时间减去故障时间、维护时间、辅助时间等停机时间）与总服务时间之比。
随便看	carriage forward carriage free carriage lock carriage paid carriage paid home billfold bill for collection bill futures billhead billhook billiard billiardist billiard room billiards billing billingsgate billion billion billionaire Billion Group billionth bill of entry bill of entry bill of exchange bill of exchange

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