Catchment area of about 13534 square km.

流域面积约13534平方公里。

It has a total catchment area of 17 square kilometres.

屯门河集水区的总面积为17平方公里。

Its catchment area extended to the mountains around Seoul.

运河蓄水区一直延伸到了首尔周围的山区。

“It depends on the store level and the catchment area,” he says.

他指出：“类型要取决于商店的等级以及其所服务地区的情况。”

"It depends on the store level and the catchment area," he says.

他指出：“类型要取决于商店的等级以及其所服务地区的情况。”