精选优质文档-倾情为你奉上Packing machinery developmentOur country packs the mechanical profession start in the 20th century 70s, and the 90s intermediate stages obtains the rapid development in the end of the 80s. Has become in the mechanical industry one of 10 big professions, regardless of is the output, in the variety, has all obtained the amazing achievement, packed the industry for our country the fast development to provide the powerful safeguard. At present, our country has become the worl
