海绵铁

This spongy iron could be hammered into shape to make tools and weapons.

这种海绵铁可以锻成一定形状，用来制造工具和武器。

Therefore , the market of spongy iron has a bright future.

海绵铁市场前景广阔。

Here the reduction of the iron oxides to sponge iron takes place.

在这里铁氧化物被还原成海绵铁。

Spongy iron is the necessary raw materials for smelting - quality steel by using of electric arc furnace.

海绵铁是电弧炉冶炼优质钢必不可少的重要原料。

Main raw material steel is scrap steel and spongy iron instead of using much foundry iron.

电炉炼钢不能大量使用生铁，主要原料是废钢和海绵铁。