Huge as it is, the LHC doesn't look too impressive from the air since the actual 17-mile (27 km) tunnel lies buried an average 330 feet (100 meters) underground.
虽然LHC身躯庞大,但从空中看它给人的印象并不深刻,因为它17英里(27公里)长的隧道埋在地下的平均深度330英尺(100米)。
Outlet air temperature of underground tunnel can meet ventilation design demand of hydropower house. Tunnel ventilation can provide a comfortable working environment for the house.
坝体廊道出口处空气温度满足水电站厂房的通风空调设计要求,廊道送风可以为厂房提供良好的工作环境。
Outlet air temperature of underground tunnel can meet ventilation design demand of hydropower house. Tunnel ventilation can provide a comfortable working environment for the house.
坝体廊道出口处空气温度满足水电站厂房的通风空调设计要求,廊道送风可以为厂房提供良好的工作环境。
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