Portland cements
plural of Portland cement
(transitive) To make bloody; to cover in blood
(nautical, physics) The horizontal distance between the center of mass of a tilted vessel and the vertical line connecting its center of buoyancy and its metacentre (conventionally taken as positiv...
A communist nationalist movement and political party in Laos, which took power in 1975 after a civil war.
ポルトランドセメントの種類は、硬化時間が予測しやすいため、基礎や構造工事で技術者によく指定されます。
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