Taking off the pins granary, its cylindraceous structure can be also used for rectoscopy and biopsy.

取下针状粮仓，其圆柱状结构也可用于直肠镜检查和活检。

youdao

Taking off the pins granary, its cylindraceousstructure can be also used for rectoscopy and biopsy.

取下钉（刀）座（仓），可用于直肠的检视及活组织检查。

youdao

Taking off the pins granary, its cylindraceousstructure can be also used for rectoscopy and biopsy.

取下钉（刀）座（仓），可用于直肠的检视及活组织检查。

youdao