The insert bears no vehicle load until the tire is punctured, at which point the load is transferred to the insert and vehicle movement may continue for a limited distance and speed.
英
美
- 這些單元在平時(shí)的時(shí)候不承載車(chē)輛的重量，只有當輪胎被打破了才會(huì )擔負起承載的重任，這時(shí)候車(chē)輛的重量會(huì )轉移到這些單元上，它們能支撐車(chē)輛繼續以一定的速度移動(dòng)一段距離。
