粗砂 meaning in Chinese

grouan; coarse sand; flinty ground; arene; open sand

Standard specification for asbestos roving
石棉粗砂的标准规范
Concial sand from coarse sand
粗砂锥辗矽砂
Road foundations . slag bound granular materials . definition . composition . classification
路面层.粗砂.炉渣.定义.混合物.分类
Road foundations . cement bound granular material . definition . composition . classification
路面层.粗砂.水泥.定义.混合物.分类
Road foundations . road special binder gravel . definition . composition . classification
路面水泥层.公路用特种粗砂粘结剂.定义.成分.分类

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