The chords were made by connecting

The chords were made by connecting two stiffened L shaped sections back to back. These sections were specifically designed to suit the operating dimensions of the available clinching equipment and this dictated the overall geometry of the chord section.

結果 (中文) 1:

弦言连接两个加筋的 L 形节背对着背。这些部分专门设计，以适应可用紧抓住设备的操作层面，这口授的弦节总体几何。

結果 (中文) 2:

和弦是由连接两个加劲L形截面背靠背进行。这些切片进行专门设计，以适应可用的铆接设备的操作方面，这一决定的弦部的整体几何形状。

結果 (中文) 3:

和弦是由连接两个僵硬的L形截面回归了。这些部分是专门设计来适应工作尺寸的可用连接设备，这取决于的和弦部分整体几何。