5 основни елемента за AGGREGATE

5 основни елемента за Aggregate

a : a rock made up of mineral crystals of a number of types or of mineral rock fragments : an combination rock b : any of various hard inert components (like sand, gravel, or slag) utilized for mixing having a cementing content to type concrete, mortar, or plaster c : a clustered mass of personal soil particles different in condition, ranging in di

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