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。
The fin-like appendage on the helmet houses a forced ventilation fan, which blows fresh air over the technician's face to relieve perspiration.
相关专家坚信尽管他们在矿下有通风设备和水源，当矿井塌陷时，大量的水流入井底，也正是矿工被困的地方。
Experts insisted they had ventilation and water of a sort-when a mine caves in, water flows to the bottom, where the workers were believed to be trapped.
专家建议购买者最好保持车内通风良好以减少同化学物质的接触，尤其是在刚买车的头六个月。
Experts advise the best thing that buyers can do to limit exposure is to keep car interiors well ventilated, especially during the first six months of ownership.
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