经过改进和优选，使砌衬的使用寿命延长，同时也提高了窑的运转周期。
Through the improvement and the optimization, service life of linings and running periods of kilns are increased.
室外场地以干铺和浆砌鹅卵石板来塑造成一个完整的环境背景，局部覆土种植竹林，使内外环境交相辉映。
Outside, the laid dry and cobblestone grouting with partial tree planting complete the whole environment which acted in cooperation with the interior space.
砌石拱坝为了防渗通常使坝体由不同材料组成，由于不同的材料具有不同的弹性模量，这类坝可称为成层异弹模拱坝。
In order to prevent seepage in stone masonry arch DAMS, the dam body is usually composed of different materials.
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