• 1. plug thread gauge: 螺纹塞规
• 2. thread plug gauge: 螺纹塞规
• 3. thread ring plug gauge: 螺纹环塞规

更多释义

• 1.Inside diameter micrometer micrometer plug gauge thread gauge digital calipers height gauge and other testing tools.
  内径千分尺、千分尺、塞规、螺纹规、数显卡尺、高度尺等检验工具。
  dict.yoduao.com
• 2.The three - meter checking device and hydraulic machine were developed to substitute the traditional three - legged divider plug gauge and correction by the thread rod.
  设计的三表式检测装置和液压机具取代了传统的三脚规及塞片检测和人工操纵螺杆校正；
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