防护装置 fence; guarding device; preventer; preventor; protective devices; protective e ..
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When the user of the mobile phone encounters the crisis situation, a body-guarding device which can be used to get rid of the crisis situation is provided, and the carrying is convenient.
从而，当手机 使用者遭遇危机情况时，为其提供可用来制造摆脱危急情况机会的 一种防身装置，且方便携带。
An automatic safe-guarding and alarming device with identification function of the utility model belongs to the electronic technical field.
具有识别功能的自动驱贼防盗报警装置属于电子技术领域。
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