在新中国建设六十多年来，伟大祖国的水力发电，犹如雨后春笋般在广袤的山水天地间蓬勃兴起。
O B-Organization I-Organization I-Organization O O B-Time I-Time I-Time I-Time I-Time O O O B-Organization I-Organization O B-Thing I-Thing I-Thing I-Thing O O O B-Thing I-Thing I-Thing I-Thing O O O O O O O O O O O O O O O