Iron and steel industry: Coke ovens should be equipped with dry-quenching facilities, and newly constructed blast furnaces should be equipped with furnace-top pressure differential power-generating equipment (TRT); advanced technologies and equipment, such as beneficiated material-feeding, rich oxygen coal spurt, molten iron pre-treatment, large-scale blast, converter, and super-power electric-arc furnaces, external furnace refining, continuous casting, continuous rolling, controlled casting and controlled cooling, should be applied throughout the industry.
他 在 情人? 节 做 的 事情 也?? 对 我? 们 有 不利 的 影? 响UN-2 UN-2