短語詞組短語expected engine life 預(yù)期的發(fā)動機壽命expected mean life 預(yù)定平均壽命;預(yù)期平均壽命expected d life span 預(yù)期壽命expected storage life 預(yù)期貯存期expected service life [科技]預(yù)期使用壽命;預(yù)計使用年限;翻譯expected average life 預(yù)期平均壽命expected residual life 期望殘存壽命expected operation life 預(yù)期使用壽命 返回 expected life