front barrel flange

例句：

1. 1. The car's frontbarrel flange is damaged, whichaffects its performance.
   汽车的前管法兰受损，影响了其性能。
2. 2. The engineer carefully inspected the front barrel flange beforestarting the machine.
   工程师在启动机器之前仔细检查了前管法兰。
3. 3. The newdesign of the front barrel flangehas made the assembly process much easier.
   新型的前端法兰设计使得装配过程变得更容易。