英语词汇efficiency in operation怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	efficiency in operation
释义	efficiency in operation
随便看	Wahhabi Wahhabism Wahhabism, Wahabism Wahhabist Wahhabists Wahhabite Wahhabites Wahhabi, Wahabi Wahhabi, Wahabis Wahhabization Wahhabize wahhabs wahhaj wahhh wahhhs WAHI Wahiawa Wahiawā Wahiawā Res. wahiba Wahid wahida wahidas wahids wahine

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