“standard sand”的概念、定义、翻译、参考文献-科学参考

单词	standard sand
释义	standard sand [`stan·dǝrd `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	ata atacamite atactic atactostele atavism ataxia ataxic ataxiophobia ataxite ATC ATCRBS ATDM atectonic atectonic pluton atelectasis Ateleopoidei atelestite ateliosis Atelopodidae Atelostomata Aten Aten asteroid Athalamida Athecanephria athecate

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