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Change log entry 81855
Processed by: richwarm (2024-02-01 07:29:52 UTC)
Comment: << review queue entry 75612 - submitted by 'encn' >>
千分尺,又称螺旋测微器、测微器、分厘卡,一种测量工具,用于精密测量小尺度的长度。[1] 主轴是一个加工非常精确的螺丝,待测量的物体放置在主轴和砧座之间。透过转动棘轮旋钮或顶针来移动主轴,直到主轴和砧座轻轻接触到被测物体。从原理上,螺旋测微器可分为机械式千分尺和电子千分尺两类。机械式千分尺是依据螺旋放大的原理制成的。Wikipedia
Diff:
+ 千分尺 千分尺 [[qian1fen1chi3]] /micrometer screw gauge; micrometer/
By MDBG 2025
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