center conductor rail

例句：

1. 1. The centerconductor rail is crucial for the operationof the train.
   中心导体轨道对于火车的运行至关重要。
2. 2. The engineer carefully inspectedthe center conductor rail before starting theengine.
   工程师在启动引擎前仔细检查了中心导体轨道。
3. 3. The center conductorrail was damaged during the accident, whichcaused a delay in the repair process.
   事故中中心导体轨道受损，导致修理过程延迟。