factor of expansion的用法和樣例：
例句
- In the case of solids and liquids which have very small coefficients of thermal expansion, this distinction has no practical importance.
至于固體和液體，由于它們的熱膨脹系數很小，上述區別便沒(méi)有實(shí)際價(jià)值。 - Water has a variable coefficient of expansion.
水的膨脹系數是可變的。 - The thermostat is based on the fact that different metals have different coefficients of expansion.
恒溫器是以不同的金屬有不同的膨脹系數這一事實(shí)為根據的。
