[KongchangAI]
Unverified80% confidenceFactTime unknown

防砂外带效果排序:顶入式 > 高包围半封闭式(前部带台阶/落砂格栅) > 敞口式;搭配落砂垫可显著降低敞口盆的带砂问题

1
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80%
Confidence
Long-term
Relevance
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