In recent years, steel prices decline, while brick, sand, cement and other building materials prices are soaring in price, this is the brick wall on the iron fence has great advantage.
近几年钢材价格下滑，而砖、沙、水泥等建材价格却飞涨，在价格这块铸铁护栏较砖混的围墙就有很大优势。
The fencing effect of the net fence in shifting sand area also shows difference among three wind directions.
流沙区尼龙网栅栏的防沙效益亦表现出在三组不同风向上的差异。
The response of porous fence to the near-surface airflow can be characterized quantitatively by sand particles threshold wind velocity.
气流对栅栏的响应可以定量地用沙粒的起动风速来表征。
The fence function increase because of barriers be joined, and the shifting sand can be effectively controlled inner the barriers system.
格栅沙障因障间互相连接而增强了防护功能，使得流沙被有效地控制在体系内部。
The fence function increase because of barriers be joined, and the shifting sand can be effectively controlled inner the barriers system.
格栅沙障因障间互相连接而增强了防护功能，使得流沙被有效地控制在体系内部。
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