Slope construction at upper reach of bedding materials of the concrete face rock-fill dam directly relates to the quality of concrete face, dam construction progress and cost of construction.

面板堆石坝垫层料上游坡面施工直接关系面板的质量、大坝施工进度及施工成本。

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When babies sleep face-down or have their faces covered by bedding, they are thought tore-breathe exhaled carbon dioxide, therefore breathing in less oxygen.

当孩子脸朝下睡眠或者他们的脸被被褥盖住的时候，他们把呼出的二氧化碳再一次呼入，因此呼入了较少的氧气。

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With satiny creamy face, silk luster and good third dimension, it is the finest fabrics for making bedding articles.

布面细腻，有丝绸光泽，立体感强，是制作床上用品的优良面料。

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"What we're doing is trying to change the face of bedding in the world, " Marciniak said.

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