[KongchangAI]
Unverified80% confidenceDecision RuleTime unknown

双层帘(遮光布+纱帘)需要双轨或双杆:罗马杆做双杆时前后间距需≥10cm避免打架;成品双轨天轨更省空间。若只装单杆想挂双层,需确认窗帘上部支持双层挂法(如打孔+穿杆分层)

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80%
Confidence
Long-term
Relevance
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https://kongchang.com/claim/393933
API
curl https://kongchang.com/api/v1/knowledge/claims/393933
MCP
get_claim(id=393933)