Unverified85% confidenceTradeoffTime unknown
镀锌钢管加粉末喷涂的耐候性较好,长期户外使用不易锈蚀,但螺栓连接处和刮痕位置仍需定期检查维护
1
Sources
85%
Confidence
Long-term
Relevance
-
First Seen
Sources
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