crane trolley 空中吊运车 ; 起重机吊运车 ; 起重机行车 ; 起重行车
crab trolley type wall crane 绞车式壁装起重机
crane trolley wire 起重机接触导线 ; 行车接触导线
trolley-jib tower crane [机] 小车变幅塔式起重机
gantry crane with crab trolley 载重小车式龙门起重机
trolley of bridge crane 起重机小车
gantry crane with man trolley 载人小车式龙门起重机
container crane with rope-trolley [机] 绳索小车集装箱起重机
crab trolley type bridge crane 载重小车式装卸桥
To install the crane span before installation, camber, level of metal structure of main girder bending, trolley rail height difference, gauge deviation, diagonal bridge survey.
安装前要对起重机安装跨度，金属结构主梁的拱度、水平旁弯，小车轨道高低差、轨距偏差，桥架对角线等进行测量。
Dynamic analysis for the crane-load or the trolley-load system is the foundation for solving the problem of the cranes fast contraposition.
对起重机吊重系统的动力学分析是解决起重机快速对位问题的基础。
General bridge crane lifting trolley generally, Bridges run organization, structure and composition of metal bridge.
普通桥式起重机一般由起重小车、架桥运行机构、桥架金属结构组成。
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