求翻译：由于我国加工天然肠衣历史悠久，是天然肠衣生产大国 ，我国天然肠衣占世界总产量的三分之一，因而欧洲市场70%左右的肠衣来自于中国。是什么意思？

A long history of China's processing of natural casings, the largest producer of natural sausage casings, natural casings in China accounted for one-third of world production, and thus about 70% of the European market casings from China.

Because of our processing natural sausage casings has a long history and is a natural sausage casings, and the country's largest natural sausage casings of the world's total production of 3, which is one of the European market around 70 per cent of the casings from China.

正在翻译，请等待...

Due to the processing of natural casings have a long history in China, is the largest producer of natural casings, natural sausage casing one-third per cent of world output, and 70% around the casing from the European market in China.

正在翻译，请等待...