《仪礼·有司》
司马竖着将此俎放在前一只羊俎的西边，将此俎上的祭品载于前一只羊俎上；载毕，竖着执拿空俎下堂。
司马缩奠湆俎于羊俎西，乃载之，卒载，缩执虚俎以降。
Sima places this tray of meat upright to the west of the previous tray of meat and transfers the food on this tray to the previous tray of meat. After the transfer is complete, he takes the empty tray and leaves the hall.