保持安全速度和电力驱动的自动驾驶汽车将大幅降低污染水平，减轻对不可再生燃料的依赖。
Maintaining safe speeds and being electric, self-driving cars would drastically reduce pollution levels and dependency on non-renewable fuels.
为使静力压桩机在工作过程中能够实现实时自动保持机身水平与水平升降，设计了一种基于PLC的压桩机电液自动调平系统。
To achieve real time automatic levelling and vertical rise up and fall down of the static pile driver′s case, an electro hydraulic levelling system is designed for the static pile driver based on PLC.
为使静力压桩机在工作过程中能够实现实时自动保持机身水平与水平升降，设计了一种基于PLC的压桩机电液自动调平系统。
To achieve real time automatic levelling and vertical rise up and fall down of the static pile driver′s case, an electro hydraulic levelling system is designed for the static pile driver based on PLC.
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