air thawing
常见例句
- The results indicated that air content and strength of the concrete had significant effects on the freezing and thawing durability of concrete with and without PFA.
結果表明，混凝土的引氣量和強度是影響普通混凝土和粉煤灰混凝土抗凍性的決定因素，滿足抗凍性要求的引氣量取決於相應的混凝土強度等級。 返回 air thawing