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常用的计量符号长度:m,km;面积:m2,km2;体积:m3,L;质量:(重量)kg,t;流量m3/s,单宽流量m3/s·m;压强:Pa,KPa;力:N,kN;装机:W,kW;电量:kWh;时间:s,min,h,d,a等。常用的计量符号...
Commonly used measurement symbols length: m, km; area: m2, km2; volume: m3, L; mass: (weight) kg, t; flow m3 / s, single wide flow m3 / s · m; pressure: Pa, KPa ; Force: N, kN; Installed: W, kW; Power: kWh; Time: s, min, h, d, a and so on. Commonly used measurement symbols ...