steel scrap的用法和樣例：
例句
- Spacewalking astronauts inspected the joint several times before and even collected samples of the steel grit for analysis back on Earth.
太空行走的宇航員以前對接頭曾進(jìn)行過(guò)幾次檢查，甚至收集了鋼屑樣品回地球分析。 - About half of our new steel is old steel,otherwise known as scrap.
我們大約有一半的新鋼是舊鋼，也叫作廢鋼。 - However, the main material used in the EAF is scrap steel.
然而，在電弧爐法中主要的原料是廢鋼。
