It is possible that tubes made from animal bones were used for spraying because hollow bones, some stained with pigment, have been found nearby.
有可能是用动物骨头制成的管子来喷洒,因为在附近发现了空心骨头,有些骨头上沾有颜料。
2
Catalysts for chemical industry and other industries, fertilizer, animal feed, pigment, cosmetics, grinding flour, all kinds of washing chemicals and other particles.
化学工业和其它工业的催化剂、化肥、饲料、颜料、化妆品,磨面粉各种洗涤化学药品等颗粒。
3
Using pure black rice pigment as material, the author has made an animal nutritional test.