tightner

常见例句

• Digital-indicate planetary gear multiplier wrench (DPMW) is a kind of portable bolt tightner with measuring tool fuction and excellent market foreground.
  数显式行星力矩放大扳手是一种具有量具功能、能精确指示输出转矩的便携式大扭矩螺栓紧固工具,具有很广阔的市场应用前景。
• bolt tightner
  螺栓紧固器
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