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本生燈的使用

本生燈的使用. 煤氣掣 (gas tap). 燈管 (chimney). 煤氣喉管 (rubber tubing). 空氣調節環 (collar). 氣孔 (air hole). 本生燈 (Bunsen Burner) 的結構. 細心觀察本生燈的各個部分. 使用本生燈. 燃點本生燈的步驟 檢查本生燈與煤氣掣是否連接妥當 把本生燈放在防火墊上 轉動空氣調節環來 關閉氣孔 燃點一根火柴，然後把火柴放近燈管口上方 開啟煤氣掣. 使用本生燈加熱時要注意的事項。.

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本生燈的使用

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  1. 本生燈的使用

  2. 煤氣掣 (gas tap) 燈管(chimney) 煤氣喉管(rubber tubing) 空氣調節環(collar) 氣孔(air hole) 本生燈(Bunsen Burner)的結構 細心觀察本生燈的各個部分

  3. 使用本生燈 • 燃點本生燈的步驟 • 檢查本生燈與煤氣掣是否連接妥當 • 把本生燈放在防火墊上 • 轉動空氣調節環來關閉氣孔 • 燃點一根火柴，然後把火柴放近燈管口上方 • 開啟煤氣掣 使用本生燈加熱時要注意的事項。

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