switch knob

基本解釋

There is no switch knob on the surface.
在面板表面上沒有開關(guān)按鈕。
Disclosed is an in-vehicle knob switch having high operability and a small size.
提供一種操作性好且容易實(shí)現(xiàn)小型化的汽車用旋鈕開關(guān)。
The invention is an electronic device, comprising a case, a first switch, a second switch and a knob, where the first switch and the second switch are arranged inside of the case;
一種電子裝置，包括一機(jī)殼、一第一開關(guān)、一第二開關(guān)及一旋鈕；其中，第一開關(guān)與第二開關(guān)設(shè)置于機(jī)殼的一內(nèi)側(cè)；
ip.com

So it was no surprise to hear a report from the kitchen that the little plastic knob on the speed switch had finally bit the dust or flour as the case may be.
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