The result showed that the most appropriate greening site of Langzhuo highway were ground and central isolation belt and followed by shady slope and sunny slope.
结果表明,廊涿高速公路适宜绿化的立地是平地与中央隔离带其次为阴坡与阳坡。
For the central isolation belt for steel fence, anti dazzle board support proposal not installed on the steel guardrail, it has several disadvantages.