piercing mill

• 穿孔机,穿轧机

piercing mill的用法和样例：

例句

1. The briefing covers quality of the shell pierced by the three-high piercing mill, thespecific rolling failures and countermeasures thereagainst.
   简要地介绍了三辊穿孔机所穿毛管的质量及该穿孔机特有的轧制故障和预防措施。
2. Some parameters of the piercing heads and piercing force are given by using UBE method.
   顶头形状设计是压力穿孔机理论研究的重要内容。