我国已成套引进合成氨、尿素和磷复肥装置共计103套，耗外汇近50亿美元我国引进大型石化装置其数量之多、耗资之大、持续时间之长，在世界上实属罕见吴邦国副总理指示．化肥、乙烯等重大成套设备国产化要很好地抓一下，抓出水平来化肥、乙烯和石油制品既是重要的能源原材料工业 China has introduced a total of 103 sets of synthetic ammonia, urea and phosphorus compound fertilizer devices. The foreign exchange consumption is nearly 5 billion U.S. dollars. The large number of petrochemical plants imported from China, the large amount of capital expenditure, and the long duration are rare in the world. Instructions. Localization of large-scale complete sets of equipment such as fertilizers and ethylene should be well grasped. Grasping the level of chemical fertilizers, ethylene and petroleum products is an important energy raw material industry.