英语词源
- piercer (n.)
- early 15c., agent noun from pierce (v.).
权威例句
- 1. Apply to military industry, such as armor piercer and so on.
- 用于军事工业, 如穿甲弹弹芯等.
- 2. Common failure of three - roll piercer in production was studied.
- 介绍了三辊穿孔机在生产过程中的常见故障和事故.
- 3. The armor piercer sends the strength, Is the typical wadding fist sends the strength method.
- 穿甲弹的发力, 就是典型的绵拳的发力方法的.
- 4. The piercing principle of 2 - roll cross - rolling piercer and its application range are discussed.
- 论述了二辊斜轧锥形辊穿孔机的穿孔原理及其应用范围.