Four - pole with double distance, non - librations, speed can be adjusted unlimited.

四 导柱 双行程升降 、 无振动, 进出速度无级调节.

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Working table with stable in - and - out, non - librations, speed can be adjusted unlimited.

工作台进出平稳 、 无振动, 进出速度无级调节.

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Compared stress and librations distortion of the first frequency and gained better beam.

通过结构的变形和一阶频率的振型研究比较,初步确定了较为合理的横梁结构.

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