举升操纵阀是自卸汽车液压举升系统的控制中心，该操纵阀分为电磁式、电液式、手动式和气动式等几种。

Lifting control valve is the control center of hydraulic lifting system of dumpers, which is classified into electromagnetic type, electro-hydraulic type, manual type and air-powered type, etc.

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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.

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