基本释义:

上弦杆

网络释义

1)top chord,上弦杆

2)upper chord of roof truss,屋架上弦杆

3)polygonal top-chord,折线形上弦杆

4)tightening,上弦

5)around beam,上弦梁

6)first Quarter Moon,上弦月

用法和例句

Analyzing the influence of the around beam s stiffness on the strength and stiffness of the locomotive body;

上弦梁刚度对机车车体强度和刚度的影响分析