青云翻译

Productivity of developed countries to more than 60% iron content, harmful impurities less ore and coal, limestone burning together and production levels higher than 92% separation efficiency of iron factories are run.

Productivity in developed countries will more than 60% content, less harmful impurities of iron ore and coal and limestone common burn, and the production factory of 92% separation of iron content above is running efficiently.

The productive forces developed country 60% above hard content, the harmful impurity few ore and the coal, the limestone burns together, and produces the content to be higher than 92% separation iron the factory orthometric height efficiency movement.

productivity developed countries will be more than 60 per cent of iron content, harmful impurity ore and coal, limestone common burn, and production content than 92% of the separation of iron factories are efficient running.

Productivity in developed countries will more than 60% content, less harmful impurities of iron ore and coal and limestone common burn, and the production factory of 92% separation of iron content above is running efficiently.