preparatory work for construction
preparatory work for construction
施工准备工作
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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The site selection, prospecting, environmental protection and other preparatory work for the construction of the Nyingchi Airport has been completed, and the project will be launched this year.
林芝机场的选址、地勘、环保等前期工作已经完成，计划今年正式开工建设。
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