知識(shí)貝殼
知識(shí)貝殼
所屬欄目：制革專業(yè)英語
Approximate 99% of all the raw hides and skins is from mammals. After slaughter most mammals,such as oxen,calves,horses,sheep,goats and pigs,are flayed by making ripping cuts in the belly and legs. They are often hung up,and the skins are peeled off start ......（本文共 10098 字 , 2 張圖） [閱讀本文] >>