There are three types of '43' solar greenhouse in Longfeng District.
龙凤区温室共有5种主要类型。
参考来源 - 大庆市龙凤区设施园艺技术分析与展望
·2,447,543篇论文数据，部分数据来源于NoteExpress
Longfeng District
abstract:Longfeng District () is a district of the city of Heilongjiang, People's Republic of China. It is under the jurisdiction of the prefecture-level city of Daqing.