表1-25速度单位换算米/秒m/s厘米/秒cm/s千米/小时km/h英尺/秒ft/s英里/小时mile/h码/秒yd/s节kn英寸/秒in/s11003.63.280842.236941.093611.9438539.37010.0113.6×10-23.28084×10-22.23694×10-21.09361×10-21.94385×10-20.3937010.27777827.777810.9113450.6213710.3037810.53995710.93610 (共 490 字) [阅读本文] >>