centre thread meaning in Chinese
芯线
Examples
- Respiratory protective devices : threads for facepieces - centre thread connection
呼吸保护设备.面具用螺纹.中心螺纹连接 - Respiratory protective devices . threads for facepieces . part 2 : centre thread connection
呼吸保护装置.面具用螺纹.第2部分:中心螺纹连接件 - Respiratory protective devices - threads for facepieces - part 2 : centre thread connection ; german version en 148 - 2 : 1999
呼吸防护器.面罩连接螺纹.第2部分:中间螺纹连接