求翻译：各种工程建设如雨后春笋般出现，在水利水电、土地整理和道路选线等工程应用领域，土方工程是重要组成部分，也是影响项目成本的重要因素，在城市设计中涉及到丘陵地形时，土方量也往往是投资估算的重要项目。是什么意思？

A variety of construction projects have mushroomed in the field of water conservancy and hydropower, land consolidation and road route selection, engineering, earthworks are an important part of, but also affect the cost of the project an important factor related to the hilly terrain in the urban de

Various projects have mushroomed in water conservation, water and electricity, land management and road options, such as engineering, construction and earthwork applications it is important, it is also an integral part of the impact the cost of the project, important factors involved in urban design

Each kind of project constructs if the mushroom growth appearance, in project application domains and so on water conservation water and electricity, land arrangements and path route selection, the earthwork is the important constituent, also is affects the item cost the important attribute, involve

Various projects have sprung up there, in water conservancy and hydropower engineering, land consolidation and road line selection field of application, earthworks are important components of, are also important factors that affect project costs, in the city's hilly terrain is involved in the design

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