高低差 meaning in Chinese

difference of height

Imobile elevator platform , which is four - chain - structured , is suitableto lifting and lowering goods vertically and continuously with greatefficiency , especially in the occasions of transfering a large numberof same goods , which is not larger than 200 singly
固定式升降机，适合于各种用途高低差之间货物垂直升降，采用四链条结构实现货物连续高效提升输送一般应用在物流量大，货物单一输送条件不大于200公斤的场合。