求翻译：在全国600多个城市中，有400多个城市存在供水不足的问题，其中缺水比较严重的城市有110个，全国城市缺水年总量达60亿立方米。是什么意思？

More than 400 cities in over 600 cities nationwide, the problem of insufficient water supply, and more serious water shortage in the city there are 110 national urban water shortage reached a total of 6 billion cubic meters.

In more than 600 cities throughout the country, there are more than 400 cities there is water shortage of water, which is more serious, there were 110 cities throughout the country in total urban water up to 6 billion cubic meters.

In the national more than 600 cities, the question which some more than 400 city existence water supply is insufficient, in which lacks the water quite serious city to have 110, the national city lacks the water year total quantity to amount to 6,000,000,000 cubic meters.

More than 600 cities across the country, there are more than 400 cities have water supply problems, which the cities of more serious water shortages 110, annual total of over 6 billion cubic meters of water shortage in cities throughout the country.

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