Barry's root elevator是什么意... ... Joanne Rowling’s roots are in the southwest of England , where she grew up . 乔安妮罗琳的根源是在西南英格兰，她在那里长大。 root elevator with serrated blade 有齿刃(牙)根挺 The results summarized as follows: that most secondary structure was found in rosemary’s root structure, which was madeup periderm and vascular tissue , and there are many big vascular vessel. 得出以下结论：迷迭香根的结构多为次生结构，由周皮和维管组织组成，导管数量多且较大； ...
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