从少到多， 并随着交通量和车辆载重量的增大， 线路和桥梁标准逐步有所提

从少到多， 并随着交通量和车辆载重量的增大， 线路和桥梁标准逐步有所提高。

ผลลัพธ์ (อังกฤษ) 1:

From less to more, and with the increase of traffic and vehicle load, track and bridge standards gradually improved.

ผลลัพธ์ (อังกฤษ) 2:

From less to more, and with the traffic and vehicle load increases, the line and bridge standards gradually improved.

ผลลัพธ์ (อังกฤษ) 3:

From less to more, and with the increase of traffic volume and the weight of the vehicle, the line and Bridge standards gradually increased.