round thread meaning in English
圆螺纹, 圆形螺旋
圆丝扣
Examples
- Hose fittings ; coupling nipples with round thread form
软管管接头.圆螺纹的管接头套管 - Laboratory glassware ; glass tube ends with round thread
实验室玻璃仪器.带圆螺纹的玻璃管端 - Verification regulation of casing and tubing round thread working
石油套管圆螺纹工作量规检定规程 - Round thread casing joint strength with combined internal pressure and bending
内压和弯曲复合作用下圆螺纹套管的连接性能 - Laboratory glassware ; one - mark volumetric flasks , flasks with glass round thread
实验室玻璃器皿.第2部分:带玻璃圆螺纹的单刻度量瓶