screwed fittings的意思|示意
美 / /
英 / /
螺纹管件
screwed fittings相关短语
1、 screwed fittings plug 连接件插件,螺纹接头插头
2、 Hose fittings with screwed ferrules 带螺旋箍的软管管件
3、 Screwed type steel pipe fittings 螺旋式钢管配件