你还有以下工具可用:
LM-1冷媒浓度、密度、冰点对照表LM-1冷媒浓度、密度、冰点对照表(2012.2.18)质量浓度%体积浓度%密度g/cm3冰点℃10120.985-5.015180.978-10.520240.971-15.325300.963-20.030360.954-25.535410.946-31.540470.937-38.545520.929-46.050570.920-53.055620.906-60.060670.892-66.5...