1.It includes the division of dissolving area, the redetermination of its length and width,downhill layout of dissolving area a nd improvement of drilling tunnel and cutting grooves.
包括区的划分,区长、宽的重新确定;区间的下山布置,以及打眼巷、切割槽的改进等。
2.The relations among the indexes of tempered wheat a nd untempered wheat are analyzed after comparing the quality of all kinds of tem pered wheats and untempered wheats.