大家在乘坐飞机、火车出行或出席重要活动时,不可避免地要通过安全检查方能进入候机厅、候车室或活动场所。大家能接触到的安检设备有金属探测器、爆炸物检测X线机(目前用于随身行李检查)、全身扫描仪(国内没有使用)、爆炸物痕量检测仪等。其中爆炸物检测X线机与全身扫描仪 When traveling by plane, train or attending important events, we inevitably have to pass the security check before entering the terminal, waiting room or venue. We have access to security equipment, metal detectors, X-ray detection of explosives (currently used for carry-on baggage inspection), body scanners (not used in China), explosives trace detectors. One of the explosives detection X-ray machine and the whole body scanner