... 中央信号装置 central signaling installation 固定信号装置 Fixed Signalling 远距离信号装置 remotesignallingplant ...
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Fixed railway installations. equipment for overhead telecommunication and signalling lines. plate for securing cross - pieces to reinforced concrete posts.
铁路固定设备。通讯和信号装置架空线路用器材。钢筋混凝土电杆上横梁固定用板。
Fixed railway installations. equipment for overhead telecommunication and signalling lines. plate for securing cross - pieces to reinforced concrete posts.
铁路固定装置。通讯和信号装置架空线路用器材。钢筋混凝土电杆支撑卡箍。
Fixed railway installations. Equipment for overhead electric telecommunication and signalling lines. Bracing collars for wooden posts.
铁路固定设备。通讯和信号装置架空线路用器材。木电线杆钭撑用卡箍。
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