搜索 - 科创

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不要用并口ISP下载线，我同学的爸爸是部队的，专门做单片机程序，他说用并口+74HC373做的ISP下载线很容易坏，寿命到不了一个月……图纸在下一个回复，我是从STC89C51的数据手册上抄的http...

煅烧动物尸骸（全尸或者剔肉净骨基本没有区别），必须有富氧环境，才能获得白色的骨灰，多数基本是整块的骨骼形状，需要依靠机械外力粉碎，才能够获得骨『灰』。贫氧环境加热，实质为干馏。获得的产品是黑色的骨炭...

本帖最后由 samhrc 于 2014-2-24 23:09 编辑 fangminghui81 发表于 2014-2-24 20:08 有时我就想我如果在机械厂工作多好业余时间可以加工点自己需要的...

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