shaft straightening machine是什么意思

用法例句

In this Paper, the advantages of Three-axle smooth machine constructing cement concrete pavement is expounded and the authors introduce the mixed proportion of cement concrete and the construction technology of the machine.

本文详细地论述三轴整平机的优点，水泥混凝土配合比，整平机摊铺施工工艺及在哈大高速公路水泥混凝土路面中的应用，并进行了经济效益分析。