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斜天沟
坡屋面斜面相交凹角的斜交线形成的天沟。
来源:《坡屋面工程技术规范 GB50693-2011》
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Archiver|手机版|小黑屋|牛马Next ( 苏ICP备17047105号-6 )Published by Stonespider

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