Marshall test design methods of asphalt mixtures are used to design the TLA modified asphalt mixture and its base asphalt mixture respectively and their road performances are tested.

采用马歇尔试验配合比设计方法分别对TLA改性沥青混合料和基质沥青混合料进行了配合比设计并对其路用性能进行了检验。

youdao

Engineers,inventors, students and others come together to design and test different methods and materials for improving stoves.

VOA: special.2010.02.01