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划线平板法是最有用的平板法。
The streaked plate is in general the most useful plating method.
youdao
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铸铁划线平台是用铸铁材料做成的平板。
Cast iron is cast iron material crossed platform made of flat.
youdao
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铸铁划线平台是用铸铁材料做成的平板。
Cast iron is cast iron material crossed platform made of flat.
youdao