短語詞組短語assurance e factor 安全系數(shù)water supply assurance factor 給水保證率irrigation assurance factor 灌溉保證率Quality Assurance Factor 質(zhì)保證影響因子effective assurance factor 有效性保證因素solar energy assurance factor 太陽能保證率heat transfer assurance factor 換熱保證度assurance factor of strength 強(qiáng)度保證率assurance factor of water supply 供水保證率 返回 assurance factor