ACS 5000变速驱动系统使得波音公司可以根据每个测试的规程和参数，自由设定可调速度模式或者恒速模式。

The ACS 5000 variable speed drive system enables Boeing to run the fan in adjustable speed mode or at constant speed, depending on the protocols and parameters of each test.

youdao

输送机的速度可配置成定速或可调速的控制方式。

Conveyor speed can be configured into a fixed speed or speed control mode.

youdao

调速器：公司最新研发的一款风机调速器，通过旋转按钮，可调节风机0速度至全速间的任一个速度。

Variable speed controller: This's our manufactory latest product. You can get any speed for 0-full by turning the round button on the controller.

youdao