unnotched
adj. 无刻痕的;无凹口的
例句
Ebonite is one kind of special rubber product with high strength, high modulus, high hardness and fine unnotched impact resistance.
硬质橡胶是一种具有高强度、高硬度、高模量以及良好无缺口抗冲击强度的特种橡胶制品。