模数

Heat treated boards display a reduced modulus of rupture and an increase in dustiness.

经过热处理后，板材的断裂模数变，尘量增加。

For spoiled gears,scene of production demand accurate and quick determination on its modulus so as to co figurate another one.

对于损坏齿轮,生产现场要求准确、快速地确定模数以便及时配制。