编辑同志: 据了解从去年底到今年上半年,有许多省和许多部门未经规划设计纷纷从国外引进同一类型的大型自走式喷灌机,对此我们有些不同的看法,特向您们反映。一九七八年春,以原农林部为主,首次从美国引进了时针式喷灌机十六台,总值六十多万美元。其中有八台安装在河北省宁 Editor’s Comrades: It is understood that from the end of last year to the first half of this year, many provinces and many departments have introduced large-scale self-propelled irrigation machines of the same type from abroad without planning and designing, and we have some different opinions to you in particular. . In the spring of 1978, mainly the former Ministry of Agriculture and Forestry, it introduced for the first time 16 American hour-sprinklers from the United States, worth more than 600,000 U.S. dollars. Eight of them were installed in Hebei Province