问题标题:
1/2''和5/16''等于多少毫米?怎样换算的?请问怎么划算成毫米?
问题描述:
1/2''和5/16''等于多少毫米?怎样换算的?
请问怎么划算成毫米?
胡必武回答:
1/2''=1/2英寸=25.4mmX1/2=12.7mm
5/16''=5/16英寸=5/16X25.4mm=8mm
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