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