作业帮Can you please confirm that your sequins do not contain led?谁能告诉我led是什么?
来源：学生作业帮助网 编辑：作业帮 时间：2024/11/18 11:39:22
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Can you please confirm that your sequins do not contain led?谁能告诉我led是什么?
Can you please confirm that your sequins do not contain led?谁能告诉我led是什么?
Can you please confirm that your sequins do not contain led?谁能告诉我led是什么?
是不是应该为lead吧,意思主要成分,
IED：发光二极管，其实就是那种很小的灯，就是指示灯那种，比如：手机充电器上面的，银行显示板上面的（不过那个是很多led灯组成的阵列）...
希望对你有帮助...~~~
LED是发光二级管，是用树脂封装的发光装置，化学成分需要测试才知道具体的。具体LED你可以百度的！
发光二极管
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