英语词汇“standard sand”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	standard sand
释义	standard sand standard sand [′stan·dərd ′sand] (materials) A silica sand that is free of organic matter and is used in making test samples of concrete and cement.
随便看	dayr al-zawr dayr az zawr day release day residue day residues in dream contents day return day returns day, richard h day, richard h. day, richard lawrence day room dayroom day rooms day rule days days absent from work daysack daysacks days after acceptance days after anthesis days after contract days after contract award days after date days after draining days after emergence

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