它包括三只铁臂，每只切割成麋鹿状，[下]悬几个绿色玻璃灯，这些灯看起来就像头戴生铁“帽”的巨型橡果。
The piece consists of three wrought-iron arms, each cut into a silhouette of an elk, with hanging green-glass lights that look like gigantic acorns with "hats" of cast iron.
由于生铁和废钢铁都便宜，又因为不需要昂贵的精炼过程，和钢相比铸铁是一种廉价材料。
Since pig iron and scrap are cheap, and because there is no expensive refinement process, cast iron is a low cost material compared with steel.
笔者还介绍了采用钒钛生铁生产的D型石墨合金铸铁凸轮轴的性能特点及其应用情况。
The properties and application of the D-type graphite cast iron camshafts made with V and ti containing pig iron was also described.
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