短語詞組短語ecological construction demonstration area 生態(tài)建設示範區(qū)ecological forestry demonstration area 生態(tài)林業(yè)示範區(qū)ecological economic demonstration area 生態(tài)經濟示範區(qū)Yanan Ecological Construction Demonstration Area 延安示範區(qū)ecological demonstration area construction 生態(tài)示範區(qū)建設Changtai National Ecological Demonstration Area 長泰國家生態(tài)示範區(qū) 返回 ecological demonstration area