pile retaining pin

例句：

1. 1. The engineer used a pile anchor to support the heavy equipment on the construction site.
   工程师使用一个堆垛锚来支撑工地上的重型设备。
2. 2. The pile pin was designed to securely hold the wooden beams together.
   这个堆垛固定销被设计用来牢固地将木板连接在一起。
3. 3. The pile fastener is commonly used in construction to secure materials together.
   堆垛固定销在建筑中常用于将材料固定在一起。