The test experiment shows that there are good relationship between road performance and gyratory testing machine design index, so, GTM has much value to popularize.
试验证明，沥青路面的表现与GTM的设计指标存在良好的相关性，因此GTM具有很好的推广价值。
The test experiment shows that there are good relationship between road performance and gyratory testing machine design index, so, GTM has much value to popularize.
试验证明，沥青路面的表现与GTM的设计指标存在良好的相关性，因此GTM具有很好的推广价值。
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