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- Automation System 自動化系統 (26)
- Burglar Alarm System 防盜系統 (72)
- CABD / SMATV System 公共天線 / 衛星天線系統 (90)
- CCTV System 閉路電視系統 (1184)
- Electric Fence 防盜電網 (156)
- Intercom System 內線對講系統 (34)
- PABX System 電話跳線系統 (64)
- Public Address System 公共廣播系統 (112)
- Video Doorphone System 視像對講機系統 (74)
Electric Fence - My Hong Kong Job Reference Photo
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