dam facing造句

• Application of acrylamide sand grout in treatment of upstream dam face in huangbizhuang reservoir
  丙乳砂浆在黄壁庄水库坝上游面处理中的应用
• The west dam faced the inner sea of rocky harbour and was 2 , 470 ft . long and 333 ft . high . the construction of the 2 dams was a complicated process , as 2 cofferdams had to be constructed at each of the sites , before the main dams could be built . these were to keep the dam sites dry for construction
  两条主坝建筑工程相当复杂，在兴建主坝之前，需于建筑堤坝地点建造围堰，将海水隔开，抽乾海床范围内的海水，挖除黏土和沙，才筑堤坝，使主坝能稳固地建造在坚硬的岩石上。