Hardness - Hardness
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The property of cement etc. that hardens in air but does not harden in water. After hardening, its strength decreases in water. Slaked lime, Source: About Shogakukan Digital Daijisen Information | Legend |
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セメント類などで、空気中で硬化が進み、水中では硬化しない性質。硬化後は水中で強度が低下する。消石灰、 出典 小学館デジタル大辞泉について 情報 | 凡例 |
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