Paraf fin has a large coefficient of expansion in temperature range near its melting p oint, and its melting point can be regulated easily. Seven fundamental actuator models are constructed, and the characteristics of their displacement output are tested.
石蜡在其熔点附近具有很大的膨胀系数 ,而且其熔点可以调节。
参考来源 - 基于管道检查用微型机械驱动器试验研究·2,447,543篇论文数据，部分数据来源于NoteExpress
同义词： expansivity
以上来源于: WordNet
N the amount of expansion (or contraction) per unit length of a material resulting from one degree change in temperature 膨胀系数 (Also called expansivity)
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