The thermostat is based on fact that different metals have different coefficientsofexpansion.
恒温器是以不同的金术有布同蹬膨瘴系数这一事实为根据的。
2
The thermostat is based on the fact that different metals have different coefficientsofexpansion.
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。
3
As a general rule, solids can expand and contract too. But the coefficientsofexpansion and contraction of solids are on the whole smaller than those of liquids.