davy lamp
导读：davy lamp怎么读
davy lamp的意思释义 n.矿坑中用的安全灯；英英释义 davy lamp n.an oil lamp that will not ignite flammable gases (methane)同义词：safety lamp davy la
davy lamp的意思释义 n.矿坑中用的安全灯；英英释义 davy lamp n.an oil lamp that will not ignite flammable gases (methane)同义词：safety lamp davy la
davy lamp怎么读
davy lamp的意思释义
n.
矿坑中用的安全灯；
英英释义
davy lampn.an oil lamp that will not ignite flammable gases (methane)
同义词：safety lamp
davy lamp用法及例句
例句参考
Davy LampDavy Lamp
Davy Lamp
The Davy Lamp
More than Davy Lamps and Canaries – Coal Seam Methane in the 21 st Century
Popular Science video
Meeting Reports - August 2014 meeting : Sir Humphry Davy - the Davy Lamp
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Karbidlampe Davy lamp
Karbidlampe Davy lamp
Karbidlampe Davy lamp
