码盘、光栅盘是光电位移精密测量仪器和光栅计量测试设备中的核心元件。

Code disc or grating disc is the core component of photoelectric displacement precision measuring instrument and grating measuring equipment.

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三轴转台是测试惯性元件的关键设备之一。

Three-axis table is one of the key measuring equipment of the inertial component.

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而对于在野外田间或生产现场出现故障的液压车辆和设备，可以利用便携式测试仪，快速的测量出系统的压力、流量、功率等主要参数，进而可判断出究竟是哪一个液压元件出现了故障。

For the hydraulic vehicle and equipment been wrong in field, the pressure, the flow, the power and so on were test with portable test instrument. The wrong hydraulic component was found.

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