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。
The knob structure can be widely applied to the field of knob switch control structures.
本发明可广泛应用于旋钮开关控制结构领域。
Single knob control, easy operation.
单旋扭控制,焊接操作简单。
Single knob control, easy operation.
单旋扭控制,焊接操作简单。
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