air-pocket stock 气穴股票
air-pocket 气井 ; 气囊 ; 气垫 ; 气阱
air pocket eliminator 气泡消除器
cold air pocket 冷气袋 ; 冷气阱
dead air pocket 空气不流通的死角
Air pocket stock 价格急剧下降的股票
float air pocket 气囊浮运
air pocket motion 气囊运动
N a localized region of low air density or a descending air current, causing an aircraft to suffer an abrupt decrease in height (使飞机骤跌的)气穴
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