2. 外语
  3. To be effective, hydroelectric dams should be built across rivers with both sufficient head and ______.

To be effective, hydroelectric dams should be built across rivers with both sufficient head and ______.

admin2012-01-16  74
问题 To be effective, hydroelectric dams should be built across rivers with both sufficient head and ______.
选项
答案stream flow
解析
转载请注明原文地址:https://kaotiyun.com/show/QjAO777K
本试题收录于： 雅思听力题库雅思（IELTS）分类
0

雅思听力

雅思（IELTS）

相关试题推荐
随机试题
最新回复(0)