单位换算对照表_百度文库

单位换算对照表单位换算1、长度单位1 in = 25.4 mm 1 mile = 1609.3 m 1 ft = 0.3048 m 1 micron =10 -6 m 2、质量单位1 lb = 453.6 1 top(up) = 907.2 Kg 1 cwt ...

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