Fortunately, today when pull a curtain, found that the iron bar radiator of grid to have some temperature.
好在，今天拉窗帘时发现，那个铁方格子般的暖气片竟然有了些温度。
2
On the basis of state of Heshangqiao Iron Mine, the 3d modeling researching ore body by 3d grid data structure and some technologies and methods used in ore reserves calculation were reviewed.