标题；引出线的英文

• leader

• 标题:    title; heading; headline
• 引出:    draw forth; lead to; drawing ...
• 线:    thread; string; wire
• 引出线:    cap; expansion line; extension line; lead out; lead wire; lead-out wire; leader line; leading-out wire; outgoing line; outlet line; pigtail; pinout
• 板极引出线:    plate terminal