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   英语
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短语
hollow space强调
冶金 зазор
包装 пустота; каверна
安全系统 полость
建造 незаполненное пространство
航空 выемка
 英语 词库
hollow space
军队, 后勤 Feature of a maneuver area in which the areas of responsibility of the subordinate units are separated and/or include spaces devoid of forces, which creates both control problems in the "void" spaces and maneuver. (FRA)
hollow space: 1 短语, 1 学科
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