自行小车集装箱起重机 [机] container crane with self-propelled trolley
载重小车式龙门起重机 gantry crane with crab trolley
小车变幅塔式起重机 [机] trolley-jib tower crane
绳索小车集装箱起重机 [机] container crane with rope-trolley
载人小车式龙门起重机 gantry crane with man trolley
双小车桥式起重机 QE
绳索小车门式起重机 [机] gantry crane with rope trolley
这些缺陷反过来又影响起重机或小车的正常运行。
These defects in turn affect the normal operation of cranes or cars.
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。
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.
轨道是起重机或小车平稳运行的基础，一般要求每年检查2 ~ 4次。
Track is the foundation of crane or car running smoothly, generally requires checking 2 ~ 4 times every year.
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