43.2km/h等于多少m/s
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43.2km/h等于多少m/s
43.2km/h等于多少m/s
43.2km/h等于多少m/s
43.2*1000/3600=12m/s
43.2km/h=43.2*1000m/3600s=12m/s
43.2km/h等于多少m/s
43.2km/h等于多少m/s
43.2km/h等于多少m/s
43.2*1000/3600=12m/s
43.2km/h=43.2*1000m/3600s=12m/s