internal screw gauge meaning in English
螺旋塞规
内螺规
内螺纹检查规
内螺纹塞规
Examples
- Internal screw gauge for wire thread insert
安装钢丝螺套内螺纹的螺纹塞规 - Technical specification for internal screw gauge for wire thread insert and standard tapping ring
钢丝螺套用内螺纹的螺纹量规及标准螺孔环通用规范