single perforated plate

例句：

1. 1. This single perforated plate is used to hold the screws in place.
   这个单孔板用来固定螺丝。
2. 2. The engineer designed a single perforated plate that could withstand high pressure.
   工程师设计了一个单孔板，可以承受高压。
3. 3. The single perforated plate was used as a temporary fix for the broken window.
   这个单孔板被用作临时修复破碎窗户的工具。