heavy and medium plates

• 中厚板

heavy and medium plates的用法和样例：

例句

1. This is our double-stand heavy plate mill line.
   这是我厂的双机架厚板轧机生产线。
2. This heavy slab of oak now stood between the bomb and Hitler.
   这时笨重的橡木厚板就横在炸弹和希特勒之间了。