safety lamp造句

• Mineral spirits ; safety lamps mineral spirit ; minimum requirements
  矿物酒精燃料.安全灯用矿物酒精燃料.最低要求
• Wolf safety lamp
  乌尔夫安全火焰灯
• 1778 sir humphry davy , english chemist and inventor of the miners safety lamp , was born in cornwall , the son of a woodcarver
  英国化学家、煤矿安全灯发明者汉弗莱?戴维爵士生于康沃尔郡，父亲是木雕师。