SHAKE型格
中国机电工业
第一高尔夫
时代报告
出展世界
中国经贸
简介：China’s grain imports in 2011 surpassed 61 million tons, indicating that its overall self-sufficiency rate in grain was less than 90 percent.
简介：China’s grain imports in 2011 surpassed 61 million tons, indicating that its overall self-sufficiency rate in grain was less than 90 percent.