“van”的概念、定义、翻译、参考文献-科学参考

单词	van
释义	van [van] ^{MINING ENGINEERING} 1. A test of the value of an ore, made by washing (vanning) a small quantity, after powdering it, on the point of a shovel. 2. To separate, as ore from veinstone, by washing it on the point of a shovel. 3. A shovel used in ore dressing.
随便看	reversed stream reversed tide reverse engineering reverse fault reverse feedback reverse flange reverse-flowage fold reverse graft reverse key reverse lay reverse mutation reverse osmosis reverse passive anaphylaxis reverse pinocytosis reverse pitch reverse polarity reverse Polish notation reverse power reverse-printout typewriter reverse process reverse-roll coating reverse saddle reverse similar fold reverse slip fault reverse slope

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