
Aggregates For Concrete Part 3-4: Method Of Test For The Determination Of The Percentage Of Clay Lumps And Friable Particles In Coarse Aggregate
出版:National Standards Authority of Ireland

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Aggregates For Concrete Part 3-4: Method Of Test For The Determination Of The Percentage Of Clay Lumps And Friable Particles In Coarse Aggregate
出版:National Standards Authority of Ireland
專家解讀視頻