expansion coefficient

常见例句

A very low linear expansion coefficient sample carrier made from invar ensures that temperature change has no effect on the sample position.
由不胀钢制成非常低膨胀系数的样品载台保证温度变化对样品的位置没有影响。
The properties of coatings. e. g. tensile strength, expansion coefficient, wear volume under given conditions and porosity, etc. were tested.
测定了涂层抗拉强度、膨胀系数、一定条件下的磨损体积、气孔率等性能。
Nitrogen is the inert gases, low expansion coefficient, not easily with the environmental temperature rise for a long time, can maintain normal tire pressure, greatly reduce the flat tire.
氮气是惰性气体，膨胀系数低，不轻易随环境温度上升而上升，可较长时间维持正常胎压，大大降低爆胎几率。