Land levelling project designed for much suited for planting or other using by navvy work according to specific conditions and standards is the base of the project.

 
  • 土地平整工程規劃設計就是為使平整后的土地具有更適合種植或者其他用途的需要而根據一定的條件、按照一定的標準所進(jìn)行的土方挖填和調配的過(guò)程。
今日熱詞
目錄 附錄 查詞歷史
国内精品美女A∨在线播放xuan