佳砚不可用劣质墨，应用质地优良的油烟墨，以免损伤砚面。

Better not use inferior ink, are applied fine texture, avoid injury of lampblack 61.

youdao

佳砚不可用劣质墨，应用质地优良的油烟墨，以免损伤砚面。

Better not use inferior ink, are applied fine texture, avoid injury of lampblack 61.

youdao