粮食问题一直是黑龙江垦区经济工作的重点。
Grain issue is the key that economy of Heilongjiang reclamation area works all the time.
本文对黑龙江垦区农业机械总动力进行了预测分析。
The total powers of agriculture machine in Heilongjing land reclamation system were predicted and analyzed in this article.
针对黑龙江垦区的涝渍现象，分析了涝渍产生的原因。
This paper analyzes the causation of the flood disaster according to the flood situation in the reclamation area in Heilongjiang Province.
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