A, B, C, D, E, F, G. 1, 單位換算表. 2. 3, u inch, mils, inches, angstroms, um, mm. 4, 1 u inch, 1.00, 10-3, 10-6, 254.00, 0.0254, 2.54*10-5. 5, 1 um, 39.37, 0.039 ...
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