So though the total volume of the eruption, put at about 0.14 cubic kilometres, is low, the amount of ash capable of travelling long distances is high.
所以，尽管这次喷发的规模不大，大约0.14立方千米，但大量灰尘扩散到很远的地方。
In total some 500, 000 square kilometres, roughly equivalent to the size of Spain, will be better protected in the three zones.
三个保护区内总计约500,000平方米的水域将被更好地保护起来，这一面积大概相当于西班牙国土面积的大小。
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。
In total some 500,000 square kilometres, roughly equivalent to the size of Spain, will be better protected in the three zones.
三个保护区内总计约500,000平方米的水域将被更好地保护起来，这一面积大概相当于西班牙国土面积的大小。
In total some 500,000 square kilometres, roughly equivalent to the size of Spain, will be better protected in the three zones.
三个保护区内总计约500,000平方米的水域将被更好地保护起来，这一面积大概相当于西班牙国土面积的大小。
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