超速保护装置 overspeed governor switch ; escalator overspeed governor ; Over-speed protection device ; overspeed tripping device
超速保护控制装置 OPC
附加超速保护装置 Back-up over-speed governor
超速保装置 overspeed protective device
电超速保护装置 electric overspeed tripping device
提升超速保装置 hoist overspeed protective device
超速下降保护装置 Speeding down protection ; Speeding fall protection device ; Speeding down protection devices
提升项超速保装置 hoist overspeed protective device
超速保装置 overspeed protective device
超速保嗫装置 overspeedprotectivedevice
应用推荐