给一个控制旋钮应用内阴影，指示滑动栏当前的活动项目。
Apply Inner Shadow to one control to indicate the current active item in the slider.
前面板可以包括旋钮、按钮、图形和许多其他的控件（用户输入）以及指示器（程序的输出）。
The front panel can contain knobs, push buttons, graphs, and many other controls (which are user inputs) and indicators (which are program outputs).
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。
Constant flow rate manually adjustable by control dial on the front panel, Power-ON led indicator.
如果流量超过规定，将指示器旋钮旋转到关闭位置，注意压降和阀门设置，并从流量表中确定新的流量。
If flow rate is in excess of that specified, turn indicator knob towards closed position, noting pressure drop and valve setting and determining new flow rates from flow rate chart.
操作方便，根据食物特性，只需转动旋钮到相应的菜单指示处即可；
The ease of operation, according to food characteristic, only must rotate the knob to the corresponding menu instruction place then; 4.
插上电源线插头，顺时针扭转调理温度旋钮，加热指示灯亮，即可进行加热。
Connect the power supply, turn the regulator knob clockwise, and the indicating lamp is lit, then it is ready for heating.
插上电源线插头，顺时针扭转调理温度旋钮，加热指示灯亮，即可进行加热。
Connect the power supply, turn the regulator knob clockwise, and the indicating lamp is lit, then it is ready for heating.
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