| 摘要 |
A human safety check portal for checking a narcotic, an explosive and a metal comprises a metal checking subsystem (31) and a narcotic/explosive checking subsystem (30), the metal checking subsystem (31) is mounted in series with the narcotic/explosive checking subsystem (30). Besides, the human safety check portal further comprises an isolation apparatus, which is used for isolating the metal checking subsystem (31) from the narcotic/explosive checking subsystem (30), without interfering with each other. |
