aeroplane bomb英 [ˈeərəpleɪn bɒm]美 [ˈerəpleɪn bɑːm]【机】空投炸弹机械双语例句Three-Layer Anticorrosive Renovating Process of the Aeroplane Bomb Bay Stiffening Beam飞机弹舱加强梁三层防腐修复工艺