The problem of shield machine driving through a station in Metro construction can be well solved by combining shield-driven tunnelling with mining or open cut excavation.
盾构扩挖法建造地铁车站能够很好地解决地铁建设中盾构过站的问题。
A mathematical model of the system was built using a vector-controlled induction machine driving a flywheel.
基于飞轮储能系统里矢量控制的感应电机，建立了系统的数学模型。
The system obtains 2-D data of the thread axis profile section by CCD with optical projection and machine driving.
该系统采用光学的方法，借助机械传动通过CCD摄像，获取螺纹轴剖面外轮廓的数字图像。
The system obtains 2-D data of the thread axis profile section by CCD with optical projection and machine driving.
该系统采用光学的方法，借助机械传动通过CCD摄像，获取螺纹轴剖面外轮廓的数字图像。
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