檢視电筒的原始碼

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| style="background: #FF2400" align= center|  '''<big>电筒 </big>'''
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<small>[http://www.sg560.com/p5/2018-12-12/122703604.html 来自商国互联网的图片]</small>
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电筒是一种手持发光照明[[器具]]。主要以干电池为能源，利用干电池与能发光的电珠组成电回路。当开关打开的时候，电路接通，[[电珠]]中有电流流过，使电珠发光，达到照明目的。