发布时间:2025-01-24 02:12:31
。。。。这,你就将处于对角线的两个(比如说1和3)脚接入电路,其他两个(2和4)脚什么都不用接,但是你的PCB上应该有四个孔,你把按键放上去,把四个脚焊上去就行了啊,至于焊接的过程,网上资料多得很,你可以搜搜
塑料行业加工的楼房装修用塑料管塑料管生产过程中有刺鼻的气味浑发吗
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