An ABB variable speed drive system is to power the giant fan that generates subsonic wind speeds at Boeing's flagship wind tunnel in Philadelphia.

ABB的一个变速驱动系统正在为波音公司在费城的旗舰风洞的大型风扇提供动力，以制造出次音速风速。

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This product is suitable for power and control system cable of underground tunnel shield construction machine and all kinds of robot, manipulator and possesses good flexural properties.

本产品使用地铁隧道盾构机和各类机器人，机械手的动力和控制系统的电缆，具有良好的弯曲性能。

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The difficult problem of the automatization of measurement and CDntrol in the large low speed wind tunnel is an automatization of large power system and large Angle control system.

大型低速风洞测控自动化的难点是大型动力系统的自动化和大型变角控制系统的自动化。

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