单词 | davy lamp |
释义 |
davy lamp听听怎么读
[?deivi l?mp]
是什么意思 矿坑中用的安全灯; 英英释义davy lamp
学习怎么用 权威例句Davy LampDavy LampDavy LampThe Davy LampMore than Davy Lamps and Canaries – Coal Seam Methane in the 21 st CenturyPopular Science videoMeeting Reports - August 2014 meeting : Sir Humphry Davy - the Davy LampThe Davy LampOn the Mixed use of Davy Lamps and Naked Lights in Coal MinesGaelic Football: DAVY LAMP; Dalton to Light Up KildareKarbidlampe Davy lampKarbidlampe Davy lampKarbidlampe Davy lamp
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