spare cable

基本解釋

The spare cable or control cable that is normally not loaded with current shall be placed at the center in case of multi-layer laying.
多層敷設時，平時不載流的備用電纜或控制電纜應放置在中心部位。
The fixed pulley is rotated by a cranking bar to wind the steel cable, a spare tire can be lifted, and the spare tire can be put down stably by rotating in reversal the cranking bar.
使用搖把轉動定滑輪圈繞鋼絲索，即可提升備胎，反轉搖把即可平穩(wěn)降下備胎。
ip.com
"In the worst case, the carrier cable may fail and the spare tire could become separated from the vehicle, a road hazard for following vehicles that increases the likelihood of a crash, " it said.
“最壞的情況是，載波電纜可能會失效，備用輪胎就有可能從車上脫落，給后續(xù)車輛造成危險，從而增加了發(fā)生車禍的可能性?！眻蟾嬷姓f。
treasure.1x1y.com.cn

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