expanded clay and shale 中文意思是什麼
expanded clay and shale
解釋
膨脹粘土和頁石-
Aggregates. rotary - furnace made expanded clay and shale for making concretes
集料.轉爐燒制混凝土用膨脹頁巖或粘土碎石料 -
Standard guide for use of rotary kiln produced expanded shale, clay or slate as a mineral amendment in topsoil used for landscaping and related purposes
園林設計及其有關用途的作為上層土中改良礦物質用旋轉窯生產的空心油巖粘土或石片的使用標準指南
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