3英寸等于多少厘米?3英尺等于等少厘米?

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3英寸等于多少厘米?3英尺等于等少厘米?3英寸等于多少厘米?3英尺等于等少厘米?3英寸等于多少厘米?3英尺等于等少厘米?3英寸是3*2.54厘米(1英寸=2.54厘米),3英尺是3*30.48(1英尺

3英寸等于多少厘米?3英尺等于等少厘米?
3英寸等于多少厘米?3英尺等于等少厘米?

3英寸等于多少厘米?3英尺等于等少厘米?
3英寸是3*2.54厘米(1英寸 = 2.54 厘米 ),3英尺是3*30.48(1英尺=30.48厘米 约=0.3米 ).

3英寸等于7.62厘米 3英尺等于91.44厘米