Because the mechanical line-shaft control mode hardly provides quick response for the three requirements mentioned above, it has been replaced by the section-drive control mode.

以前低速纸机采用的机械总轴传动方式，由于难以为上述三个方面的要求提供快速的响应，而被分部传动方式所取代。

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A tiny feathered "thumb," the alula, improves flight control. The protruding shaft on the first wing feather makes a loud, rustling sound—adding acoustics to the visual display.

微小的拇翼改善了对飞行的控制能力，第一翼羽上的凸出轴结构会发出沙沙的响声——在保持视觉效果的同时还增添了声学效果。

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His plans involve building an air shaft through the roof of the control center equipped with a solar powered fan to draw air deeper into the complex.

他计划在控制室的顶上装一套太阳能驱动的换气系统，将空气泵到设施的深处。

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Besides clean-up of materials, the company plans to remove unused utilities in the shaft, repair any damaged structures, install a water ring to control entry of water into the shaft and prevent ice from forming in winter, install a new power cable and a metal brattice between the eastern and western half of the shafts to provide a physical barrier, improving safety and functionality, company officials said.

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The rotary potentiometer is mechanically connected to the volume control by a 150mm long shaft.

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