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Classify：Fence net
Kind：Three board guardrails, two board guardrails
Trait：抗拉伸强度、屈服强度、伸长率等力学指标更优于镀锌钢板制作的波形护栏板
Mechanical indexes such as tensile strength, yield strength and elongation are better than those of galvanized steel plates.
Protection along all types of highways
