highway engineering短语¹⁴⁴⁹⁷²⁺² 基本例句 公路工程学,道路工程学 Analysis is made on the main three phases of the expense control for highway engineering, especially in the methods, contents, requirements and objects of each phase. 对费用控制的三个主要阶段进行分析，对每一阶段的控制方法与控制内容作出说明，对控制要求和控制目标进行探讨。 cnki