We sailed from Perth with a cargo of raw ion.

我们装着一船生铁从佩思启航。

The freighter carrying pig iron is cleaving through the water.

装着生铁的货船正在破浪前进。

The semisteel after the treatment can be used in cast iron and it has a good economic effectiveness.

半钢经过增碳脱硫处理并合金化可以作铸造生铁,而且有较好的经济效益。