英语词汇“expectation of life”的读音、翻译、释义、用法及例句-智慧网

词汇	expectation of life
释义	expectation of lifeexpectation of lifen.1.■平均寿命,平均余年(某一年龄的人尚可期望活的平均年数,可由统计资料显示)
随便看	reduction crusher reduction current reduction descending reduction discharge reduction distillation reduction division reduction division phase reduction factor reduction flour reduction formula reduction gear reduction gear box reduction gearbox reduction gear housing reduction gear ratio reduction gear unit reduction glaze reduction heat reduction in area reduction in bulk reduction in height reduction in pass reduction inspection reduction in tariff reduction in the life period

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