According to the specification recently promulgated, it is required to determine filling criteria of incoherent coarse grain materials on the basis of their relative density.
我国近期颁布的设计规范，对土石坝的无粘性粗粒坝料的要求是以相对密度确定其填筑标准。
According to the specification recently promulgated, it is required to determine filling criteria of incoherent coarse grain materials on the basis of their relative density.
我国近期颁布的设计规范，对土石坝的无粘性粗粒坝料的要求是以相对密度确定其填筑标准。
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