channel joint

例句：

1. 1.The engineer carefully examined the channel joints on the pipeline.
   工程师仔细检查了管道上的接头。
2. 2.The construction crew had to replace several channel joints due to corrosion.
   施工队不得不更换几个由于腐蚀而损坏的通道接头。
3. 3. The new design uses a unique channel joint technology to improve durability.
   新的设计采用了一种独特的通道接头技术来提高耐用性。