词汇“有效期”的意思、用法、释义、翻译、读音、例句、短语、词组-国际大辞典

单词	有效期
释义	有效期有效期[yǒu xiào qī]1.■term of validity; period of validity:延长合同的有效期prolong the contract's period of validity;这个胶卷已过了有效期。This film has passed its expiry date.
随便看	swing-aroundtrajectory swingback swingback blade swingback unloading auger swing barrier swing base compass swing bearing swing block swing block four bar linkage swing-boat swing bolster swing bolster link swing bridge swing-by swing cam swing check valve swing clear of swing cover type swing crane swing credits swing cylinder swing diameter of work swing dog swing door swinge

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