年产农村急需的复混化肥万吨的生产线,五月在湖北咸宁投产。该生产线是研制水下舰船的七○一所四室设计的。为开发军转民用,该室选择了乡镇企业这个缺门而又热门的项目,投入了较强的技 The annual output of the 10,000-ton production line of compound fertilizers that are urgently needed in rural areas was put into operation in May in Xianning, Hubei Province. The production line was designed as a four-room, 701-built underwater ship. In order to develop civilian use for civilian use, this room has selected the township and township enterprises as a hot item that is lacking in popularity and has invested in strong technology.