bookbinding       
noun [ U ] uk/ˈbʊkˌbaɪn.dɪŋ/ us/ˈbʊkˌbaɪn.dɪŋ/
 (书籍)装订
the work or skill of fastening loose pages together inside a cover to make a book
  All bookbinding was done by hand until the 19th century. 直到十九世纪,所有的书籍装订都是由手工完成的。 
 She studied how mechanization affected women workers in the printing and bookbinding trades. 她研究了机械化对印刷和装订行业女工的影响。 
 See: bookbinder
 - More examples
 - She signed up for night classes in bookbinding.
 - Goat, calf and sheepskins are the three main animal hides used in bookbinding.
 - My favourite job was at a bookbinding factory.