The evaporation can be accelerated by heating the watch glass with a Bunsen burner.
也可以用本生灯对表玻璃加热以加速蒸发。
First, open the clamp or valve so that biogas can flow back from the balloon to the Bunsen burner.
首先，打开钳或阀，使沼气可以回流从气球的本生灯。
Ten sample bars suspended vertically were ignited by a Bunsen burner.
十个样品酒吧垂直暂停被本生灯点燃了。
You make hot cocoa with a Bunsen burner and a beaker.
做热可可的时候，你得用到本生喷灯和烧杯。
First, I take a beaker of water and heat it gently over a bunsen burner.
首先，取一烧杯的水，在本生灯上微微加热。
You walk away now, it's back to beakers and Bunsen burners.
你马上去拿些烧杯和本生灯来。
quartz bunser burner.
石英本生灯
I need to light my Bunsen burner.
我得把本生灯点起来。
Then, with a Bunsen burner, the surface is thoroughly seared.
然后，用本生灯彻底烧灼表面。
It's just a phase you're going through, replied the Bunsen burner.
这只是物理中状态变化的一个阶段本生灯答到。
If your Bunsen burner ignites, your biogas generator is a success!
如果您的本生灯燃烧，产生的沼气是一种成功！
You will hear Miss Wang give instructions on how to use a Bunsen burner.
你将听到王小姐给出如何正确使用煤气灯的说明。
The Bunsen flame becomes smaller, then burns in the burner tube, and finally goes out rapidly.
本生焰缩小，然后在灯管中燃烧，最后迅速熄灭。
Bunsen combustion system.
本生燃料系统
the Bunsen combustion system.
本生燃烧系统
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