Rub it outside the beef, roll it and freeze.

把它涂抹在牛柳的外面，把牛柳卷起后速冻。

youdao

And the surface: the flour mixed with water, mixing bunched up into the dough, rub strips, arriving into 40 sub-agents, using surface roll into a round stick stand-skinned.

和面：将面粉掺入开水，拌和揉成面团，搓成长条，抵成40个剂子，用面杖擀成圆形面皮待用。

youdao

And the surface: the flour mixed with water, mixing bunched up into the dough, rub strips, arriving into 40 sub-agents, using surface roll into a round stick stand-skinned.

和面：将面粉掺入开水，拌和揉成面团，搓成长条，抵成40个剂子，用面杖擀成圆形面皮待用。

youdao