Unverified88% confidenceDecision RuleTime unknown
室外露天使用优先选热镀锌或喷塑钢管,镀层厚度需达到防锈标准;普通冷镀锌或喷漆金属架露天1-2年即会锈穿
1
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88%
Confidence
Long-term
Relevance
-
First Seen
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