The fin-like appendage on the helmet houses a forced ventilation fan, which blows fresh air over the technician's face to relieve perspiration.
头盔装具上的鳍状物附属物为强制通风片，能够向拆弹专家的面部输送新鲜空气以便排除汗水。
A sharp rigid animal process or appendage; as a porcupine quill or a ridge on a bone or a ray of a fish fin.
动物身体硬而尖锐的部分或附属肢体；如豪猪的刚毛或鱼鳍的骨脉。
应用推荐