长度单位换算,见表1-15。表1-15长度单位的换算米(m)厘米(cm)毫米(mm)[市]尺英尺(ft)英寸(in)1100100033.28139.37010.011100.030.0328080.3937010.0010.110.0030.0032810.039370.33333333.3333333.33311.0936113.12340.304830.48304.80.91441120.02542.5425.40.07620.0833331注:①1密耳=0.02 (共 305 字) [阅读本文] >>