rod joint

例句：

1. 1. The engineer designed a rod joint to connect the two beams.
   工程师设计了一个杆接头来连接两根梁。
2. 2.The carpenter used a rod joint to join the wooden planks together.
   木匠使用一个杆接头将木板连接在一起。
3. 3. The scientist discovered a new rod joint that could withstand greater loads.
   科学家发现了一种新的杆接头，能够承受更大的载荷。