extending-angle 扩展角
And that the Angle between extending crack and principal axial stress decreases gradually is caused by the variation of tensile and shear stress focuses in the course of brittle formation.
而扩展裂纹与主应力夹角的逐渐减小则是裂纹附近张应力和剪应力集中点的变化所致。
The staple body has a bridge and two legs extending from the bridge at an Angle thereto.
该固定钉本体具有桥和从桥以一定角度伸出的两条腿。
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