随着经济的持续发展、城市规模在不断扩大、城市人口逐年迅速增加，伴随而来的城市垃圾数量日益增多、运送距离也越来越远，对城市垃圾的收集与运送作业，也不断提出了新的要求──收集装车作业必须快速高效，车厢应完全密封、不得在运送途中出现洒漏，不应对环境形成第二次污? With the sustainable development of economy, the scale of cities is constantly expanding, the population of cities is increasing rapidly year by year, the accompanying amount of urban rubbish is increasing and the distance of transporting is getting further and further. As a result, the collection and transportation of urban rubbish are also continuously put forward New requirements ─ ─ collection and loading operations must be fast and efficient, the car should be completely sealed, no leakage during transport, should not form a secondary pollution to the environment?