英语词汇“effective period”的读音、翻译、释义、用法及例句-开邑网

词汇	effective period
释义	effective periodeffective period1.■有效期
随便看	direction key direction-listening device direction measurement by radio wave direction meter direction method direction numbers direction of advance direction of affinity direction of arrow direction of bias direction of building direction of check direction of closure direction of current direction of curve direction of displacement direction of easy axis direction of error direction of extinction direction of extrusion direction of feed direction of flow direction of goods flow direction of greater flow direction of groundwater flow

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