Unverified83% confidenceDecision RuleTime unknown
地插固定式挡风墙防风等级远高于自立折叠式:折叠板靠重心和折角站立,5级风以上易倒;带地钉+撑杆的挡风墙可抗6-7级阵风
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83%
Confidence
Long-term
Relevance
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