piercing mill的用法和樣例：
例句
- The briefing covers quality of the shell pierced by the three-high piercing mill, thespecific rolling failures and countermeasures thereagainst.
簡要地介紹了三輥穿孔機所穿毛管的質量及該穿孔機特有的軋制故障和預防措施。 - Some parameters of the piercing heads and piercing force are given by using UBE method.
頂頭形狀設計是壓力穿孔機理論研究的重要內容。
