螺纹测微计，螺线千分尺的英文

thread micrometer

• 螺纹:    screw thread; flig ...
• 测:    survey; fathom; me ...
• 微:    minute; tiny; ligh ...
• 计:    count; compute; ca ...
• 螺线:    spiral; spire; hel ...
• 千分尺:    microcalliper; mic ...