分别在植物体三个部位研究了番茄导管汁液的离子相对含量在叶脉和茎之间离子相对含量的区别归因于 A 番茄中水分的蒸� B 木质部中导管 Template




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tomski分别在植物体三个部位研究了番茄导管汁液的离子相对含量在叶脉和茎之间离子相对含量的区别归因于 a 番茄中水分的蒸� coloring