因此，美国的覆盖着爆炸反应保护层的Bradley和Stryker战车不在居民区使用。
As a result, when America's Bradley and Stryker fighting vehicles are clad in explosive-reactive armour they are not used in civilian areas.
目前，美国的自来水公司每提取、处理和输送6加仑水，其中就有1加仑在居民或企业使用之前漏回到了地下。
Currently, one out of six gallons of water acquired, treated and pumped by water utilities in the U. s. leaks back into the ground before it can be used by a home or business.
目前，美国的自来水公司每提取、处理和输送6加仑水，其中就有1加仑在居民或企业使用之前漏回到了地下。
Currently, one out of six gallons of water acquired, treated and pumped by water utilities in the U.S. leaks back into the ground before it can be used by a home or business.
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