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根据联合国开发计划署与我国共同签署的建材和非金属矿专家服务项目,联合国工业发展组织派遣瑞典籍顾问工程师葛兰恩于今年7月17日至8月1日在哈尔滨市建筑工业加工厂
According to an expert service project for building materials and non-metallic minerals jointly signed by the United Nations Development Program and China, the United Nations Industrial Development Organization sent Swedish consulting engineer Graran to the construction industry processing plant in Harbin from July 17 to August 1 this year.