论文部分内容阅读
富产油气的中东地区正在经历着从聚丙烯(PP)净进口地区到全球主要的PP出口地区的转变,不仅如此,中东地区最终还将统治全
The Middle East, which is rich in oil and gas, is experiencing a shift from a net importer of polypropylene (PP) to a major exporter of PP in the world, and the Middle East will ultimately rule