本文对甘肃地区旱獭皮组织结构特点进行了研究。

In this paper the characteristics of histological structure of marmot skin fronl Gansu province was studied.

youdao

本文对甘肃地区旱獭皮组织结构特点进行了研究。

In this paper the characteristics of histological structure of marmot skin fronl Gansu province was studied.

youdao