Red Seal endorsement is also available to qualified mobile crane, tower crane and mobile crane (hydraulic) operators upon successful completion of the interprovincial Red Seal examination.
红印章背书对于通过跨省红色钢印的考试的合格的移动式起重机，塔式起重机，移动式起重机(液压)操作员也可用。
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。
Mobile crane operator (hydraulic) trade certification is compulsory in Quebec and available, but voluntary, in Prince Edward Island.
移动式起重机操作员行业认证(液压)在魁北克省是强制性的，而在爱德华王子岛省是自愿的。
The stability calculation methods of inversely mounted telescopic hydraulic cylinder in mobile crane are discussed.
讨论了轮式起重机伸缩臂倒置伸缩液压缸的稳定性的计算方法。
Rotary cushion valve is the high performance multifunction combination valve which is used extensively in the rotary mechanism of 20 ~ 100 ton hydraulic mobile Crane.
回转缓冲阀是我国20吨至100吨液压汽车起重机回转机构广泛应用的高性能多机能组合阀。
It is used in flexible and amplitude loop in the hydraulic mobile crane, especially suitable in the case of heavy area ratio between non-pole cavity and pole one.
用于液压汽车起重机变幅与伸缩油缸回路，特别适用油缸两腔面积比较大的场合。
It is used in flexible and amplitude loop in the hydraulic mobile crane, especially suitable in the case of heavy area ratio between non-pole cavity and pole one.
用于液压汽车起重机变幅与伸缩油缸回路，特别适用油缸两腔面积比较大的场合。
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