Put up hypothesis and simplification on ventilationtunnel and draw ventilation network nodes chart in Jinghong hydropower plant.
对景洪水电站通风廊道进行了假设简化并绘制了网络节点图；
2
The prosecutor said the thieves rented the neighboring building to the bank in June. The tunnel they dug included lighting, ventilation and reinforcement.
The prosecutor said the thieves rented the neighboring building to the bank in June. The tunnel they dug included lighting, ventilation and reinforcement。