相对于常规直接水冷铸造，低频电磁铸造提高铸态拉伸强度极限和延伸率。
And the ultimate tensile strength and elongation of low frequency electromagnetic cast billets are greatly increased.
然而，如果解放油罐车轮胎在低轮胎压力条件下旅行，橡胶将变形、拉伸比强度和弹性纤维的极限的钢丝。
However, if the tyre is travelling at low tyre pressure condition, the rubber will be deformed, stretching more than the strength of the fibres and elasticity limit of the steel wire.
通过极限抗拉强度试验和围压作用下的拉伸试验，研究了柔性混凝土的抗拉破坏特性。
Based on the ultimate tensile strength test and extension test under confining pressure, the characteristics of flexible concrete are studied.
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