(n.) A tanning; the act, operation, or result of tanning.
凯茜录入
双语例句
The above tannage is what is called vegetable tannage. 佚名.神奇的知识之书.
There is also a tannage made from minerals that is called chrome. 佚名.神奇的知识之书.
Ninety to one hundred days are required to tan bark leathers, while the chrome tannage is very quick and on the average requires only about three weeks. 佚名.神奇的知识之书.