根轨迹族
Moreover, when outsider diameter D or minimum diameter at the root of notch d vary with root radius R at notch keeping constant, two different notch contours obtained have very little influence on the fracture strength of the material.
当缺口根部半径一定,仅改变外径D或缺口处最小直径d所得两种缺口状态对缺口强度的影响不大。
微语录 · 句子大全
微语录 · 经典语录
微语录 · 短文摘抄
微语录 · 伤感句子