Eng

Surveillance equipment...

監視設備

Surveillance equipment

(Keep under, Keeping, Keeps, Kept, Monitor, Monitored, Monitoring, Monitors, To monitor, To watch, Watch over, Watched, Watches, Watching, Device, Devices, Equipment, Facilities, Item, Items, Piece of, Pieces of)

監聽設備

Surveillance equipment

(Surveillance, Device, Devices, Equipment, Facilities, Item, Items, Piece of, Pieces of)

監控設備

Surveillance equipment

(Monitor, Surveil, Surveillance, Device, Devices, Equipment, Facilities, Item, Items, Piece of, Pieces of)