As the spring thaw sets in and the canals fill up, this over spill freezes into a layer of ice.

当春季解冻开始，运河会溢满水，这些溢出来的水会结成一层冰。

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The process of accumulation and dissipation of extra-static pore water pressure in fine-grained mud layer of tailings fill dam constructed by up-stream method is analysed.

本文对上游法修筑的尾矿坝的细粒泥层内超静孔隙水压力的积累和消散过程进行了分析。

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Now mask the layer and fill it with black. Then with a white brush draw over the clouds. As you can see my clouds get some really ugly pixels so I used the Clone Tool (S) to cover them up.

此刻蒙版该层&填充黑色，然后白色笔刷画云的部门，你也许能透过此步操作看见很差劲的像素，快利用钤记工具盖上他们。

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Now mask the layer and fill it with black. Then with a white brush draw over the clouds. As you can see my clouds get some really ugly pixels so I used the Clone Tool (S) to cover them up.

此刻蒙版该层&填充黑色，然后白色笔刷画云的部门，你也许能透过此步操作看见很差劲的像素，快利用钤记工具盖上他们。

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