sealed -beam lamp封闭式灯
sealed -beam lam封闭式灯
sealed-beam headlamp密封
halogen sealed-beam unit卤素封闭式
Miniature and Sealed-Beam Incandescent Lamps微型和封闭白炽聚光灯
Sealed-beam landing lamps for aircraft航空器的密封光束着陆灯
Sealed-beam landing lamps for aircraft-Dimensions飞行器的密封光束着陆灯
semi-sealed beam headlamp半封闭式前照灯;外装式前照灯
semi-sealed beam uni半封闭式灯光组
ADJ（形容词） (esp of a car headlight) having a lens and prefocused reflector sealed in the lamp vacuum (尤指车前灯的)密封聚光束