请教改动室内楼梯形状是大工程吗？想把家里直型楼梯改成两段便于上下楼

来源: boarding 于 2019-09-27 10:47:44 [旧帖] [给我悄悄话] 本文已被阅读：次

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请教改动室内楼梯形状是大工程吗？ 想把家里直型楼梯改成两段便于上下楼