1千克/米3(kg/m3)=0.001克/厘米3(g/cm3)=0.0624磅/英尺3(lb/ft3) 1磅/英尺3(lb/ft3)=16.02千克/米3(kg /m3) 1磅/英寸3(lb/in3)=27679.9千克/米3(kg/m3)
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