basic brick meaning in English

碱性火砖
碱性砖
硷性火砖
硷性砖

Test method for hydration resistance of basic bricks and shapes
碱性砖及模型耐水化作用的试验方法
Sizes of refractory bricks - specification for basic bricks for steel making
耐火砖尺寸.第7部分:炼钢用碱性砖规范
Standard practice for location of test specimens from magnesia - carbon and impregnated burned basic brick
碳酸镁和焙烧浸渍的碱性砖试样配置的标准实施规程
Methods for tests for dense shaped refractory products - determination of cold crushing strength of the intermediate zone of chemically bonded basic bricks
密度成型耐火产品的试验方法.化学法粘合的碱性砖中间