the volume control knob

音量控制旋钮

《牛津高阶英汉双解词典》

Turn pressure control knob until a satisfactory spraying pattern is achieved.

调节调压钮,直到获得满意的喷雾形状.

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Turn pressure control knob a higher number.

将调压钮调为较高的值.

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The temperature control knob doesnt work very well.

调温器的旋钮坏了.

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Turn control knob to a lower number.

将调压钮调为较低的值.

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The Smart setting shall operate the heater to the temperature selected by the temperature control knob.

通过温度控制按钮设置,智能设置应该能够使得热水器运行在所选择温度上.

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Thus, frequent adjustment of the control knob is required to maintain constant delivery pressure.

因此经常要调整控制钮,以维持恒定的输出压力.

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