æ¤ç©çå¨å®: è
æ¤ç©çå¨å®: è
æ¤ç©çå¨å®: è
- No tags were found...
You also want an ePaper? Increase the reach of your titles
YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.
----------------------------------------- outter phloem 外 韌 皮 部----------------------------------------- vascular cambium 維 管 束 形 成 層----------------------------------------------------------- xylem 木 質 部-------------------------------------------- inner phloem 內 韌 皮 部Cucurbita 南 瓜 stem C.S. 100x