brick-core

基本解釋

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(wèi)粘結(jié)劑，矽甎粒、粉爲(wèi)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(shè)計，鑽孔直逕在3到1/4英寸範(fàn)圍內(nèi)，可用於甎、石灰?guī)r、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(yīng)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。