选择器转换器调谐旋钮波段开关转换开关的英文

selector

• 选择:    pick and choose; s ...
• 器:    implement; utensil ...
• 转换器:    commutator; change ...
• 调谐旋钮:    tuning knob
• 波段:    wave band; wave ra ...
• 开关:    Q-switching
• 转换开关:    commutation switch ...