Such as slag, water slag, expanded vermiculite, mineral wool, rock wool, expanded perlite, rice husk and wood chips, it should not be used in both vibration and retaining structure.

如炉渣、水渣、膨胀蛭石、矿物棉、岩棉、膨胀珍珠岩、木屑和稻壳等，它不宜用于受振动和围护结构上。

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Retaining structure of masonry arch dam, diversion system for pressurized water diversion, plant-plant to the ground.

挡水建筑物为浆砌石拱坝，引水系统为有压引水，厂房为地面式厂房。

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The structure changes the operation modes, such as pulling, dragging, moving and pressing of the open-close of the water retaining cover of the existing electric iron to rotation operation.

这种结构将现有电熨斗中挡水盖开合的推、拉、搬、压等操作方式改进为旋转操作。

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