coefficient of expansion

汉语翻译

英语解释：

名词 coefficient of expansion:

1. the fractional change in length or area or volume per unit change in temperature at a given constant pressure
   同义词：expansivity

例句：

1. The thermostat is based on the fact that different metals have different coefficients of expansion.
   恒温器是以不同的金属有不同的膨胀系数这一事实为根据的。