The protective earth dike shall be earth-filled. no rock brick and concrete block or light and flammable material shall be allowed for filling.
防护土堤应用土填筑，不允许使用石块、砖块及混凝土块或者轻而可燃的材料填筑。
The infiltration and deposition of alkali salts in the form of vapor or liquid will gradually result in a complete filling of the apparent pore and brick densification.
碱盐对镁铝尖晶石砖的侵蚀主要表现为以气相或液相形式渗透到耐火材料内部气孔中并在冷端沉积，使砖体致密化。
The heat-preservation ball can be used as filling for a heat-preservation brick, and the heat-preservation brick has good effects on heat preservation, sound insulation and damp resistance.
用这种保温球作为保温砖的填充物，制成的保温砖具有较好的保温、隔音、防潮效果。
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