[KongchangAI]
Unverified75% confidenceFactTime unknown

圆管型沥水杆比方管、扁条更耐腐蚀且不易积水挂垢,方管四角和扁条凹面易残留水渍形成锈点和黑斑

1
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75%
Confidence
Long-term
Relevance
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First Seen

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