rail carrying capacity

例句：

1. 1.The train's rail carrying capacity is limited by the weight of its cargo.
   火车的载重能力受到其货物重量的限制。
2. 2. The engineer must calculate the rail carrying capacity to ensure safe operation.
   工程师必须计算铁路承载能力以确保安全运行。
3. 3.The railway company has increased its rail carrying capacity to accommodate more passengers.
   铁路公司已提高其承载能力以容纳更多乘客。