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phloem,sucrose

figure  : phloem
figure : phloemmain cell types of angiosperm plant phloem.
main cell types of angiosperm plant phloem.【预订】phloem
【预订】phloem预订 phloem: molecular cell biology, syst. [9780470958605]
预订 phloem: molecular cell biology, syst. [9780470958605]【英语学习】【加州教材】【g5】【科学】science目录
【英语学习】【加州教材】【g5】【科学】science目录
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