suction pipe joint

例句：

1. 1.The suction pipe joint was the weakest link in the system.
   抽吸管接头是系统中最薄弱的环节。
2. 2.The engineer carefully inspected the suction pipe joint to ensure it was functioning properly.
   工程师仔细检查了抽吸管接头，确保其正常工作。
3. 3. During the installation, the suction pipe joint had to be replaced due to corrosion.
   安装过程中，由于腐蚀，抽吸管接头不得不被更换。