threaded rod（螺纹杆）是什么意思？音标发音+图解场景

螺纹杆 /ˈθɹɛd ˈteɪkˌʌp ˈliːvə/ n

English: threaded rod · 螺纹杆

释义：Elongated part whose surface has a spiral protrusion for screwing into a corresponding nut.

这个词出现在以下图解场景（1）