The U.S. went after underground storage facilities, command and control, missile systems, drone storage and operation sites, radars, and helicopters of the Houthis.
美国的目标是胡塞武装的地下储存设施、指挥和控制、导弹系统、无人机储存和操作地点、雷达、和直升机。
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This would strip out carbon dioxide molecules directly from the air and then pump them to underground storage sites.
这将直接从空气中剥离二氧化碳分子,然后将它们泵送到地下储存点。
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There are even proposals floating around to take a page from Barcelona's playbook with communal dumpsters on each block or Sweden's with pneumatic tubes and underground storage.
An Underground storage tank (UST) is a storage tank, not including any underground piping connected to the tank, that has at least 10 percent of its volume underground.