Wels·bach burner 
(wĕlzbăk′, -bäk′)
(wĕlzbăk′, -bäk′) A trademark for a lamp consisting of a gas burner and a gauze mantle impregnated with cerium and thorium compounds that becomes incandescent when heated by the burner.
| 单词 | Welsbach burner |
| 释义 | Wels·bach burner (wĕlzbăk′, -bäk′) A trademark for a lamp consisting of a gas burner and a gauze mantle impregnated with cerium and thorium compounds that becomes incandescent when heated by the burner. |
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