进口的隧道挖装机经长期使用，液压系统损坏严重。
After long-period use of the imported crawling loaders, the hydraulic systems of the crawling loaders are damaged seriously.
攀登时，使用损坏或泄漏的液压系统，没有任何的调整，这并不鲜见。在黑暗中工作和延长工作时间是时有发生的。
It is not uncommon for climbs to continue with damaged or leaking hydraulic systems, out-of-adjustment or jammed guide rollers, often working in the dark and for extended hours.
由于自卸系统的HW32-2型举升液压泵损坏，造成一台卡玛兹5511型自卸汽车无法使用。
The breakdown of the HW32-2 hydraulic pump of the dumping system causes a model 5511 Kamaz dump truck to be out of service.
压力冲击会影响液压机构工作稳定性，引起系统中的密封装置、管路、元件的损坏；
The pressure impact will produce influence on the steadiness of hydraulic system, and lead to the damage of seal apparatus, piping, and components in the system;
压力冲击会影响液压机构工作稳定性，引起系统中的密封装置、管路、元件的损坏；
The pressure impact will produce influence on the steadiness of hydraulic system, and lead to the damage of seal apparatus, piping, and components in the system;
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