brick-core

基本解释

Phosphate knock-off core of scrap silica brick aggregate for steel castings has been developed with experiment method.
研制了以磷酸二氫鋁爲粘結劑，矽甎粒、粉爲骨料的保溫冒口易割片。
Compact and lightweight core drill for holes up to 3-1/4" in brick, limestone, cinder blocks and other abrasive materials."
簡潔、輕型設計，鑽孔直逕在3到1/4英寸範圍內，可用於甎、石灰巖、煤渣甎和其他研磨材料。
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The improved core tools which have processed with TD salt-bath treatment and heat treatment have much effect on improving brick mould'service life.
改進後的芯具採用TD滲釩和相應熱処理對提高空心甎擠出成型模具的使用壽命有顯著作用。