davy lamp 中文意思是什麼
davy lamp
解釋
(初期的)礦燈。-
1778 sir humphry davy, english chemist and inventor of the miners safety lamp, was born in cornwall, the son of a woodcarver
英國化學家、煤礦安全燈發明者漢弗萊?戴維爵士生於康沃爾郡,父親是木雕師。
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