肌肉在强力收缩一定次数之后将无法再继续用力的拉缩。
Muscles will only contract forcefully a certain number of times before they refuse to pull hard again.
通过建立线材连轧流量方程，推导出拉钢系数与轧件拉缩宽度的关系式，并借此分析高速线材头尾超差问题。
The relationship between the pulling coefficient and the width of pull contract for rolled piece was derived by means of establishing flow equation during continuous rod rolling.
分析了窄带钢热连轧过程宽度拉缩的原因，给出了计算宽度拉缩率的方法，探讨了减少宽度拉缩的技术途径。
The cause of strip width shrink (SWS) during hot continuous rolling is analyzed. A method to calculate SWS ratio is provided, some approaches for SWS reduction are discussed.
贴合前之拉衬设计，使贴合后消除面里之绉摺，面里不往后缩，提高鞋面品质。
A lining pulling design, ensure no wrinkle and pleats in the upper, to a quality work.
路用性能的试验内容包括：抗压强度、劈裂强度、抗弯拉强度、抗压回弹模量、温缩干缩、抗冲刷试验、冻融试验和疲劳性能试验。
The road performance test include: compression strength, cleavage strength, rupture strength, modulus of compression strength resilience, shrinkage, fatigue test and washout test.
提出了一种生产后簧座的工艺方法：拉深—多步缩口—成形。
A kind of new forming technique to manufacture the back spring seat was proposed, called drawing-multi-step sinking with the cylindrical-forming process.
提出了一种生产后簧座的工艺方法：拉深—多步缩口—成形。
A kind of new forming technique to manufacture the back spring seat was proposed, called drawing-multi-step sinking with the cylindrical-forming process.
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