At that time, Mom and Dad in the yard Common crushed "cinder child", "cinder child" is to use coal ash and the soil and into the inside bend, and the general soil not, non-stick.
那时候，常见爸妈在院子里砸“煤渣子”，“煤渣子”是用煤灰和河湾里的泥土和成的，一般的土不行，不粘。
It is considered that the rational arrangement of heat treatment process can control the form of coal cinder well, and the quality requirement of coal is pointed out.
认为合理安排热处理生产工艺，可以很好地控制煤渣的形态，并对煤的质量也提出了要求。
The machines use products out of sand, stone, coal ash, cinder, coal gangue, ore tailings, ceramic, perlite and other industrial wastes processed into a variety of new wall materials.
本机所出产品可采用砂、石、粉煤灰、煤渣、煤矸石、尾矿渣、陶粒、珍珠岩等工业废料加工成各种新型墙体材料。
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