1 ผลลัพธ์ สำหรับ fresnel lamp
หรือค้นหา: -fresnel lamp-, *fresnel lamp*

Collaborative International Dictionary (GCIDE)
Fres'nel' lan'tern

{ } [ From Fresnel the inventor, a French physicist. ] A lantern having a lamp surrounded by a hollow cylindrical Fresnel lens. [ 1913 Webster ]

Variants: Fresnel lamp

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