Warning: file_put_contents(/www/wwwroot/ppbbu/80125.cn/cache/db9f28a43862c77ed62a56a5da79e2f9.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/80125.cn/index.php on line 58 watertower例句_watertower英汉例句_watertower双解例句_食材铺反向词典
The source regions of the Yellow River are crucial water resources in China and the important part of China's Watertower. 摘要黄河源头区是我国重要的水源涵养地区，是“中华水塔”的重要组成部分。