1·This is a drainage area.
这里是排水区。
2·It has a drainage area of 3225000 square kilometers.
它的流域面积达3225000平方公里。
3·You also need a place that has a good drainage area.
你也需要一个地方，有一个好流域。
4·It is very important to construct Pearl River drainage area economic belt.
珠江流域经济带的建设意义重大。
5·This small drainage area will not be influenced by the Siberian cold current.
流域不会受到西伯利亚寒流的影响。
6·Buha river is one of the main water resource of Qingai lake, drainage area is 135.
布哈河是青海湖的主要的水源之一，流域面积135。
7·Taihu Lake drainage area is one of the four city agglomeration regions in our country.
太湖流域是我国四大城市高密集地区之一。
8·A granite based soil region is distributed widely in the drainage area of Dongting Lake.
花岗岩母质土壤区在洞庭湖流域广泛分布。
9·The rules of nitrate accumulation in Dian lake drainage area in intensive cultivation are studied.
研究了滇池流域集约化地区设施条件下氮磷化肥对土壤硝酸盐的累积规律。
10·Chinese River Dolphin is a specific species of rare and valuable animal in the Changjiang drainage area.
白鳍豚是我国长江流域特有的珍稀动物。