screwed plug的意思|示意
美 / /
英 / /
螺纹塞;螺纹堵
screwed plug相关短语
1、 Big size sealed screwed plug 大口径密封螺塞
2、 screwed fittings plug 连接件插件,螺纹接头插头
3、 screwed core plug 泥芯孔螺纹堵塞