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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根据零件图试制双台肩钻具接头，对其进行上卸扣试验和水压密封测试。

We manufacture the tool joint, make the seal test and make-and-break test.

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自动上下料台，准确上卸工件。

Automatically to up and down the material platform, accurately transport elements.

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