知识贝壳
知识贝壳
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ThedriedheartwoodofCaesalpiniasappanL.(Fam.Leguminosae).豆科植物苏木的干燥心材。Sketchoftransversesectionofheartwood心材横切面简图Transversesectionofheartwood心材横切面组织图Transversesectionofheartwood1.Rays1～2rowsofcellswide.2.VesselsSubrounded,aboutto160μmindiameter;u ......（本文共 1596 字 , 4 张图） [阅读本文] >>