In this paper, the success rate of cutting root for difficult rooting plant was discussed six factors of influence of root and solving ways were summarized.
This paper presents existent problems of slope engineering in Shirengou Iron Mine, Sijiaying Iron Mine and Bangmoshan Iron Mine, and puts forward corresponding solving ways.
This article analyzed problems of aquatic feedstuff industry in our country and put forward the solving ways.
The paper analyses the knotty problems on remaking Angang old substation in detail and advances the appropriate solving ways.