英语词汇“r-value upgrades”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	r-value upgrades
释义	R-value upgrades R-value upgrades Improved or added insulation in the attic or exterior walls to improve the R-value of the building envelope.
随便看	sulfenic acid sulfentrazone sulfenyl sulfenyl chloride sulfer sulfhaemoglobin sulfhaemoglobinaemia sulfhb sulf-heme protein sulfhemoglobin sulfhemoglobinemia sulfhydrate sulfhydryl sulfhydryl compound sulfhydryl compounds sulfhydryl group sulfhydryl reagent sulfidation sulfide sulfide anti-oxidant buffer sulfide bridge sulfide dye sulfide mineral sulfide ore sulfide, organic

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R-value upgrades