生产混匀矿的目的?
参考答案:
是为烧结生产提供粒度均匀、成分稳定、烧结性能好的铁原料,以保证烧结高产、优质、低耗。
It was ______ who has accomplished the functional linguistics and made the London School of Linguistics one of the most competitive linguistic theories in the world. A. M.
A.Halliday
B.Bronislaw Malinowski
C.Firth
D.Sigmund Freud
在10kV电压等级配电线路上进行地电位带电作业时,人身与带电体的安全距离不应小于0.4m。