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	direct subscriber line direct suggestion in hypnosis direct sum direct sum (matrix) direct sum of modules direct sunlight direct supervision direct supply support direct supply support activity direct supply support point direct supply support system direct support direct support and services direct support artillery direct support aviation section direct support cost direct support electrical system test direct support electrical system test set direct support element direct support engineering directorate direct support/general support direct support group direct supporting fire direct support maintenance direct support maintenance activity

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