linking jig

例句：

1. 1. This is a connecting jig for welding steel pipes together.
   这是一个用于焊接钢管的连接夹具。
2. 2.The engineer used a connecting jig to align the pieces of metal together.
   工程师使用一个连接夹具来对金属部件进行对齐。
3. 3. The technician carefully adjusted the connecting jig before starting the welding process.
   技术员在开始焊接过程之前仔细调整了连接夹具。