lift: vt.1.举起，使升起，提起，抬起；提高；提升。2.使高尚；鼓舞。3.运送，搬运；空运 ( ＝ airlift).4.偷窃；偷去；抄袭，剽窃。5.起出，拔起；掘出；拔营。6.(把板球等)向高空击去。7.〔美国〕清偿；赎出，赎取(典押物)。8.解除，撤除，撤消。 lift that parcel down the shelf 把那包东西从架上拿下来。 lift weights
This paper analysed working principles and controling features of water lifts about the head pressure transition . plc was used to operate controling system so as to work the system well 摘要对水头差压力转换提水装置的工作原理及控制特点进行了分析，使用可编程控制器( plc )控制系统运行，使系统很好的工作。
