switch rod（尖轨连接杆）是什么意思？音标发音+图解场景

尖轨连接杆 /ˈswɪtʃ ˈɹɒd/ n

English: switch rod · 尖轨连接杆

释义：Metal part located between two ties that maintains the distance between two switch points.

这个词出现在以下图解场景（1）