The objects under examination are placed in a sealed enclosure that fills with compressed air, loosening particles of explosive materials, which can then be sensed by a conventional trace detector.
这些物体放在用压缩气体填满的封闭罩内检查，并在罩内松散易爆物颗粒，然后再由常规追踪探测器识别。
The objects under examination are placed in a sealed enclosure that fills with compressed air, loosening particles of explosive materials, which can then be sensed by a conventional trace detector.
这些物体放在用压缩气体填满的封闭罩内检查，并在罩内松散易爆物颗粒，然后再由常规追踪探测器识别。
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