Nowadays, in mountain railroad engineering survey, the efficiency of traditional leveling method is low, is very difficult to practice because of terrain undulation being big.
目前在山区铁路工程测量过程中，由于地形起伏较大，传统的水准测量效率低，非常难以实施。
Applying the measuring principle of the trigonometric leveling with total station into the construction of urban pipeline engineering can replace the traditional geometric leveling method.
把全站仪三角高程的测量原理运用到城市管道工程的建设中，可以代替传统的用几何水准测量高程的方法。
The main products are light roller, concrete leveling machine, engineering, light trucks.
主要产品有轻型压路机、混凝土整平机、工程照明车等。
For complex engineering construction system, resource scheduling of limited project duration-resource leveling is an important and difficult problem.
对于复杂工程施工系统，工期一定、资源均衡的资源进度计划是需要解决的一个重要且有相当难度的问题。
It is applicable for road construction, water and electricity engineering farmland leveling, port building, mining and other engineering conditions.
可用于道路修筑、水电工程、农田改造、港口建设矿山开发及其它建筑工程项目的土石方作业。
It is applicable for road construction, water and electricity engineering farmland leveling, port building, mining and other engineering conditions.
可用于道路修筑、水电工程、农田改造、港口建设矿山开发及其它建筑工程项目的土石方作业。
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