The main properties of the wall brick such as exterior quality, strength character, volume density, the water absorption and dry contractibility satisfied the basic requirements for wall brick.

结果表明：墙体砖中高炉渣掺量可达70%以上，其外观质量、强度性能、体积密度、吸水率和干燥收缩性能等指标均达到或超过砌墙砖的基本要求。

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But the big battle centered on who owned the rights to the Superman character himself, as previously developed by Siegel and Shuster and as he first appeared in Action Comics Volume I in 1938.

FORBES: Heirs of Superman Creators Wage Epic Battle With Warner Bros.