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关注：1
2013-05-23 12:21
求翻译：Window sills (and sub-sills) and external thresholds shall either be impervious, full-width and suitably jointed to provide a complete barrier to the downward flow of water into the wall, or a horizontal, continuous cavity tray or DPC, preferably flexible, shall be provided under the opening provision.是什么意思？ 待解决
 悬赏分：1
- 离问题结束还有
Window sills (and sub-sills) and external thresholds shall either be impervious, full-width and suitably jointed to provide a complete barrier to the downward flow of water into the wall, or a horizontal, continuous cavity tray or DPC, preferably flexible, shall be provided under the opening provision.
问题补充： |
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2013-05-23 12:21:38
正在翻译，请等待...
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2013-05-23 12:23:18
窗台(和分西尔斯)和外部界限应要么是不透水,全宽度和适当接合,提供一个完整的障碍,向下流动的水在墙壁上,或以横向、不断腔托盘或DPC,最好是灵活、开放的规定须提供。
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2013-05-23 12:24:58
正在翻译，请等待...
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2013-05-23 12:26:38
窗台 （和 sub-sills） 和水平、 连续腔纸盒或 DPC，最好是灵活的须根据开放提供或外部阈值应是不透水、 全角和适当节理到墙上，提供完整的水向下流动障碍。
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2013-05-23 12:28:18
正在翻译，请等待...
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