马蹄形灯丝的英文

• horse shoe filament
• horseshoe filament

• 马蹄形:    the shape of a hoof; U-shape ...
• 灯丝:    directly heated cathode; ele ...
• 马蹄形:    the shape of a hoof; u-shaped◇马蹄形磁铁 horseshoe magnet; 马蹄形电磁铁 horseshoe electromagnet; horseshoe-type electromagnet; 马蹄形隧道 horse-shoe tunnel; 马蹄形弯道 horse-shoe bend; oxbow; 马蹄形物 horseshoe; 马蹄形窑 horse shoe flame furnace
• 环形灯丝:    loofilament; looped filament; ring filament; wreath filament
• 螺线形灯丝:    coiled filament