The experimental result indicated that: In stretch process, in identical test specimen the strain value on metal substrate and contact surface are same, the mark is opposite. 实验结果表明:在拉伸过程中,同一试样中金属基体上和界面上的应变数值相同,符号相反。
People interested in the above article Which Stretch Mark Treatment is the Best for You? “感兴趣的人以上文章”哪个拉伸马克治疗是最适合你?