steer axle frame member是什么意思

用法例句

In this paper, the practicability of fatigue reliability design is studied to the bogie axle of the electric locomotive.

以SS_(7B)型电力机车转向架车轴为研究对象,研究了疲劳可靠性设计方法在电力机车转向架车轴上的适用性和可行性。