主桥起点桩号为K3+437,终点桩号为K3+743的翻译：Start of main pile, K3+437, end number is K3+743 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

The beginning of the main bridge Stake for k3 +437, the end of Stake k3 +743

Start of main pile, K3+437, end number is K3+743

The main span beginning station number is K3+437, the end point station number is K3+743

Main bridge starting point for K piles of 3 + 437, and the ending point for K piles of 3 + 743

Start of main pile, K3+437, end number is K3+743