系统中设有流量调节环节，电液比例调速阀在快挡可以缩短整个调平时间，在慢挡可以保证调平精度。

Equipped with flow regulator in system, electro-hydraulic proportional speed regulating valve can decrease leveling time in high speed gear, and ensure leveling accuracy in low speed gear.

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砌块挡土结构具有工厂预制、标准化生产，建造速度快，安全可靠等突出特点，有广泛的工程应用前景。

Block retaining structure has some outstanding features so as to apply widely in engineering, such as shop fabricated, standardization produce, quick construction and safety so on.

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高精度滚珠丝杆后挡料，AC伺服电机控制，精度高、速度快、定位准确。

High precision, sophisticated ball screw. Backgauge driven by digital ac servo motor, high speed, high precise, precise fix position.

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