slag produced in making steel; low in silica but having large amounts of calcium phosphate; useful as fertilizer
例句与用法
1.
Several other materials can be used for liming purposes , such as , baked or burned oyster shells , marl , basic slag , wood ashes , and cement industry by - products 其它几种物质也可用来施用石灰，如?壳灰、泥灰、钢渣磷肥（碱性炉渣） 、草木灰和工业水泥的副产品等。
您当前位置：