栓在牢固的物体上，比如信号杆(没有天线)，围墙，套索桩，树或者挂车。
Tie to secure objects such as a telephone pole (without a supporting "guy" wire), wall, hitching post, tree, or a trailer that is secured by attachment to a vehicle.
通过使用火焰杆或紫外检测器检测现有气体火焰并发出相应信号。
Application to detect and signal an existing gas flame using flame rod or UV detector.
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。
Fixed railway installations. Equipment for overhead electric telecommunication and signalling lines. Bracing collars for wooden posts.
应用推荐