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遮雨板是任何屋面中不可缺少的一部分。
An integral part of any roof is its flashing.
youdao
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安装不好的遮雨板会发生开逢，水将通过缝隙渗漏到屋面的表层。
Poorly applied flashings open and allow water to penetrate the roof surface.
youdao
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安装不好的遮雨板会发生开逢，水将通过缝隙渗漏到屋面的表层。
Poorly applied flashings open and allow water to penetrate the roof surface.
youdao