parallel hole connection

例句：

1. 1.The new design uses a parallel hole connection to connect the two pieces of hardware together.
   新设计使用平行孔连接将两块硬件连接在一起。
2. 2. The engineer used a parallel hole connection to ensure the stability of the structure.
   工程师使用平行孔连接确保结构的稳固性。
3. 3.In the construction industry, parallel hole connections are commonly used for fastening heavy machinery parts together.
   在建筑行业中，平行孔连接常被用于快速固定重型机械部件。