punching hole diameter

例句：

1. 1.The punching machine is capable of producing holes with a diameter of up to 20 mm.
   冲压机能够生产直径达20毫米的孔。
2. 2.The drilling process requires precise control over the punching hole diameter.
   钻孔过程需要精确控制打孔直径。
3. 3. The engineer designed the punching tool with a diameter that would allow for easy removal of the punched holes.
   工程师设计了具有易拆卸打孔的工具，其直径便于操作。