freezing point curve 凝固点曲线
upper freezing-point curve 上凝固点曲线
upper freezing point curve 上凝固点曲线
freezing-point curve 凝固点曲线
freezing-point depression curve 冰点下降曲线 ; 凝固点降低曲线
A cooling curve is plotted and the freezing point determined.
一个冷却曲线被画了出来，凝固点就被找到了。
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