The periderm is the secondary protective tissue of the rhizome, and is composed of pellem, pellogen and phelloderm;
周皮由木栓层、木栓形
层和栓内层
；
The periderm is the secondary protective tissue of the rhizome, and is composed of pellem, pellogen and phelloderm;
周皮由木栓层、木栓形层和栓内层；
明：以上例句、词性分类均由
资源自动生
，部分未经过人工审核，其表达内容亦不代表本软件的观点；若发现问题，欢迎向我们指正。
