便利灯
Convenience light
以上为机器翻译结果，长、整句建议使用 人工翻译 。
他还发明了早期的本生灯装置，几乎所有的实验室都使用它作为最便利的热源。
He also invented the earliest form of the device that was to become the Bunsen burner, which is used almost universally in science laboratories as a convenient source of heat.
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