Нийтлэг жигд бус галд тэсвэртэй цутгамал материалын барилгын үндсэн болон засвар үйлчилгээ
Refractory castables (also known as refractory concrete) are of many different types, depending on their aggregate materials, binding agents, and admixtures. This is the commonly used several kinds of refractory castables – silicate cement refractory … Цааш унших
