piercing head

• 顶头

piercing head的用法和样例：

例句

1. A strong head wind lashed the sea into waves.
   一股顶头风在海中掀起了波浪。
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。