brick-core

基本解释

Phosphate knock-off core of scrap silica brick aggregate for steel castings has been developed with experiment method.
研制了以磷酸二氢铝为粘结剂，硅砖粒、粉为骨料的保温冒口易割片。
Compact and lightweight core drill for holes up to 3-1/4" in brick, limestone, cinder blocks and other abrasive materials."
简洁、轻型设计，钻孔直径在3到1/4英寸范围内，可用于砖、石灰岩、煤渣砖和其他研磨材料。
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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.
改进后的芯具采用TD渗钒和相应热处理对提高空心砖挤出成型模具的使用寿命有显著作用。