Unverified90% confidenceDecision RuleTime unknown
顶撑式免打孔晾衣杆依赖两端墙面挤压固定,安装间距需在杆体伸缩范围内且留有20-30cm余量顶紧,若测量间距刚好等于杆体最大长度则无法有效撑紧,容易滑落
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