steel scrap是什么意思 steel scrap怎么读
steel scrap的用法和样例
- Spacewalking astronauts inspected the joint several times before and even collected samples of the steel grit for analysis back on Earth.
太空行走的宇航员以前对接头曾进行过几次检查，甚至收集了钢屑样品回地球分析。 - About half of our new steel is old steel,otherwise known as scrap.
我们大约有一半的新钢是旧钢，也叫作废钢。 - However, the main material used in the EAF is scrap steel.
然而，在电弧炉法中主要的原料是废钢。
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