保安設備 (bou2 on1 cit3 bei6) — security devices in Cantonese
bouˊ²保onˉ¹安cit˗₃設beiˍ₆備简 保安设备
Mandarin Pinyin: bao3 an1 she4 bei4
Meaning of 保安設備
nounsecurity devices
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