How do you pronounce 複線?

Q: How do you pronounce 複線? A: fuk1 sin3, e.g.

複線 (fuk1 sin3) — meaning, pronunciation, examples

複線 (fuk1 sin3, fù xiàn) — multiple track (e.g. rail); multilane (e.g. highway); (math.) complex line

複核 (fuk1 hat6) — Review
複 (fuk1) — to repeat; to double; to overlap; complex (not simple); compound; composite; do…
複共軛 (fuk1 gung6 aak1) — (math.) complex conjugate
複利 (fuk1 lei6) — compound interest
複印 (fuk1 jan3) — to photocopy; to duplicate a document
複印件 (fuk1 jan3 gin2) — photocopy; duplicate