mobile hydraulic crane

基本解释

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。
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。
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。