Lighting accounts for about 7% of the total electricity consumed in the US. Since lighting is often far removed from the power source—such as the distance from a power plant to street lamps on a remote highway—a lot of energy is lost during transmission.
在美国，照明约占总耗电量的7%。由于照明通常远离电源——例如从发电厂到偏远公路上的路灯——因此大量的能源在传输过程中会损失掉。
But seen from capital source of road construction of our country at present, the construction fund shortfall of the highway is large.
但从目前我国公路建设资金来源看，公路建设资金缺口大。
In the highway construction of our country at present, the semi-rigid material is widely used for its high intensity, low cost, and being wide of the raw material source.
目前我国高等级公路建设中，半刚性材料以其强度高，造价低廉，原材料来源广等优点，被广泛用作路面基层。
This paper discusses the design methods of high-grade highway in water source protection area.
论述了水源保护区高等级公路的设计方法。
This paper discusses the design methods of high-grade highway in water source protection area.
论述了水源保护区高等级公路的设计方法。
应用推荐