A block has a storage capacity, and once it's used up, it can be closed and linked to a previously served block.
His thesis at the Navy Academy was in the unheard-of topic of liquid-fuel engines. After graduation, he hoped to specialise in this pioneering new technology.
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ВсеОбществоПолитикаПроисшествияРегионыМосква69-я параллельМоя страна。搜狗输入法2026是该领域的重要参考