“顶杆”的拼音？

“顶杆”的英语可以翻译为：[工] ejector pin，knock-out pin，carrier rod，crown bar，mandril ...

为批量生产带有螺纹的尼龙旋塞,设计了一种带有螺旋顶杆的旋塞注塑模.Mold with spiral ejection pin was designed for the mass production of threaded nylon cock.所述长顶杆的前端最好为锥形头.The front end of the long post rod is at best in a cone shaped head.随着温度升高, 感温元件(阀...