bunsen cone
常见例句
- Test B: Bunsen Burner A 3/8〞Bunsen burner was adjusted to a quiet flame with a 1-1/2〞inner blue cone and then overturned on the test material, exposing material to the flame for 5 minutes.
測試B：煤氣噴燈。將一個3/8〞 的煤氣噴燈調到穩定的火焰使其藍色錐形內焰爲1-1/2〞，然後，將煤氣噴燈繙轉，是火焰接觸所測試的材料5分鍾。
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