本文介绍了用粘土砖、高铝砖、硅砖和方镁石砖作蓄热室上层格子体进行对比试验的情况。
A comparative test of standard clay bricks, high alumina bricks, silica bricks and periclase bricks which were used as checkers in upper parts of regenerators has been conducted.
研制了以磷酸二氢铝为粘结剂，硅砖粒、粉为骨料的保温冒口易割片。
Phosphate knock-off core of scrap silica brick aggregate for steel castings has been developed with experiment method.
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