Reduction in herniated disk volume, as disk shrinkage may reduce nerve root Compression.

在椎间盘突出量减少，如磁盘的收缩可能会减少神经根的压迫。

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The test manifests adding a certain content of fiber in the mortar can obviously improve the tear and compression resistance, antipenetration and shrinkage.

试验证明，在普通的水泥砂浆中加入一定量的纤维能显著提高砂浆的抗裂抗渗，降低砂浆收缩率，提高抗压抗折强度等。

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The road performance test include: compression strength, cleavage strength, rupture strength, modulus of compression strength resilience, shrinkage, fatigue test and washout test.

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。

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