引示线自动增益调整器的英文

pilot wire transmission requlator

pilotwiretransmissionrequlator

• 引:    draw; stretch
• 示:    show; indicate; si ...
• 线:    thread; string; wi ...
• 自动:    voluntarily; of on ...
• 增益:    gain; tone-up; tra ...
• 调整:    adjust; tune-up; t ...
• 器:    implement; utensil ...