Operate hoisting and lifting devices such as cranes, jacks and tractors to position machinery and parts during the installation, set-up and repair of machinery.
在安装，设置及维修机器过程中，操作起重设备，如起重机，千斤顶和拖拉机来放置机械或部件。
According to the "special equipment directory", lorry crane which belongs to a hoisting machine in mobile crane, code 4490, and the hydraulic lifting platform vehicle is in crane lift type, code 4890.
根据《特种设备目录》，随车起重机属于起重机械中流动式起重机类，代码为4490，而液压升降平台车则属于起重机械中的升降机类，代码为4890。
Through comparing the technical economy of vertical belt conveyor's hoisting system with the on of winch's lifting system, the author wants to prove the conveyor potential in application.
通过对具体工程设计中的垂直胶带输送机提升系统与绞车提开系统的技术经济比较，用以说明垂直胶带输送机在矿井提升应用的潜力。
应用推荐