基本解释[交通运输工程]导向滑车导向滑车英汉例句双语例句The high friction composite brake block is one of the new technologies applied to both the Heavy - haul Freight Train and the Rapid Freight Train.高摩合成闸瓦不仅是重载列车配套制动技术之一，也是提速及快运货车配套制动技术之一。haul block更多例句词组短语短语haul -back block 回索滑轮haul block更多词组专业释义交通运输工程导向滑车导向滑车