Precision cast iron platform: According to the implementation of the national standard verification procedures, namely, 0, 1, 2, 3 four grades.

铸铁平台精度：按国家标准计量检定规程执行，分别为0、1、2、3四个等级。

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Considering the use of cast iron plate (cast iron platform) local wear and tear of the plate after the inhomogeneity of the local error control, more necessary.

考虑到使用中铸铁平板(铸铁平台)的局部磨损及修后平板的不均匀性，局部误差的控制更有必要。

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Cast iron platform USES: used for machinery, engine power test, commissioning, and has good stability and toughness flat surface with T-slots, can be used to fixed laboratory equipment.

铸铁平台用途：用于机械、发动机的动力实验，设备调试，具有较好的平面稳定性和韧性，表面带有T型槽，可以用来固定实验设备。

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