pod line tensioners

例句：

1. 1.The tensioner is used to maintain the proper tension in the cables.
   张力器用于保持电缆的适当张力。
2. 2.The tensioner was designed to prevent cables from slipping out of their sockets.
   张力器被设计成防止电缆从插座中滑落。
3. 3.The tensioner ensures that the cables are securely connected and do not cause any damage during transportation.
   张力器确保电缆连接得牢固，运输过程中不会损坏。