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碳酸钠
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[[File:碳酸钠.jpg | thumb | 300px |右 | 碳酸钠 <br> [https://image.baidu.com/search/detail?ct=503316480&z=0&ipn=d&word=%E7%A2%B3%E9%85%B8%E9%92%A0&step_word=&hs=0&pn=10&spn=0&di=61600&pi=0&rn=1&tn=baiduimagedetail&is=0%2C0&istype=0&ie=utf-8&oe=utf-8&in=&cl=2&lm=-1&st=undefined&cs=3883933536%2C2058295994&os=3055830908%2C2205054564&simid=3273606631%2C219419925&adpicid=0&lpn=0&ln=1801&fr=&fmq=1596361000745_R&fm=&ic=undefined&s=undefined&hd=undefined&latest=undefined©right=undefined&se=&sme=&tab=0&width=undefined&height=undefined&face=undefined&ist=&jit=&cg=&bdtype=0&oriquery=&objurl=http%3A%2F%2Fgss0.baidu.com%2F-fo3dSag_xI4khGko9WTAnF6hhy%2Fzhidao%2Fpic%2Fitem%2F1ad5ad6eddc451dadf9b52eab9fd5266d0163245.jpg&fromurl=ippr_z2C%24qAzdH3FAzdH3Fzit1w5_z%26e3Bkwt17_z%26e3Bv54AzdH3Fq7jfpt5gAzdH3Fdba9cb0a0_z%26e3Bip4s&gsm=b&rpstart=0&rpnum=0&islist=&querylist=&force=undefined 原圖鏈接] ]]