... tyre-chain repair link 胎链备修链节 universal link 万向联接杆; 通用线路 unlocking link 开锁环 ...
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通用航空还使直升飞机救援及救护服务，空中出租车得以开通，并可以方便在边远地区进行维修输电线路，输油管路，及其他基础设施。
General aviation also enables helicopter rescue and ambulance services, air taxis and easier maintenance of power lines, pipelines and other infrastructure in far-flung places.
第二级设备也是为通用货运系统设计的，用于那些时速达到150英里（240公里）的线路。
Tier II equipment is also designed for the general freight system, with speeds up to 150 mph.
逻辑模块对某通用船舶继电接触器辅机控制线路进行改造、编程、接线的实例，给出了基于LOGO ！
By discussing a practical example about reconstructing, programming and contacting of general Marine auxiliaries control circuits (including electric relays and contactors) in which LOGO!
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