Of Heilongjiang Province Heda Highway 11 segment ramp area of ??the soil and the main plant in-depth investigation, analysis methods and classification through the induction of its scientific identification of plants, the preparation of alternative Heda highway ramp area Plants, and made a three to

The hak Tai Road in Heilongjiang Province in paragraph 11 of the road-testing soil and the main plant has conducted in-depth investigation, through the analysis of the deductive method research and classification of plant identification, preparation for a science experiment hak Highway Road District

The section 11 circular route area soil and the main plant have carried on the thorough investigation to crane big road Heilongjiang Province within the boundaries of, carries on the science through the analysis methodology and the classified induction to its plant the appraisal, the establishment c

On crane large highway Heilongjiang province territory segment of 11 a ramp area of soil and main plant for has in-depth investigation, through analysis research method and classification inductive method on its plant for science of identification, prepared crane large highway ramp area alternative

On crane large highway Heilongjiang province territory segment of 11 a ramp area of soil and main plant for has in-depth investigation, through analysis research method and classification inductive method on its plant for science of identification, prepared crane large highway ramp area alternative