control dial

常见例句

Terminal checking the circuit and control dial protecting setting is normal or not.
定期检查电路及控制仪表的各种保护设置功能是否正常。
Constant flow rate manually adjustable by control dial on the front panel, Power-ON led indicator.
通过控制面板上的调节旋钮可对流量进行手动调节，还带有电源指示。
On Earth, there is no outside platform from which to send an intelligent hand into the vivisystem, and no point inside where a control dial waits to be turned.
地球上不存在任何能够让智能之手从那里伸出插入活系统的平台，而且，在活系统的内部也没有理由存在等待拨动的控制拨号盘。

The camera itself looks very similar to the P310 -- there's a nifty mode dial up top, along with a zoom toggle, control dial, power button, stereo mics and a pop-up flash.
ENGADGET
The tradeoff when leveraging cloud computing is control, and you have to dial-in the risk of losing access to your PaaS provider.
FORBES: ROI of the Cloud, Part 1: PaaS
The new 2013 line allows you to choose between 4 different EQ modes, and the dial allowing you to control the volume of game vs. voice chat is a cool feature.
FORBES: Astro's Dead Space 3 A30 Audio System Review