单词	防风制沙
释义	防风制沙 check winds and control sand
随便看	vanadium catalyst vanadium catalysts vanadium cell vanadium chloride vanadium chromagen vanadium-Chromium composite layer vanadium chromogen vanadium-classification Vanadium cluster vanadium-coated graphite tube vanadium complex Vanadium complexes vanadium compound vanadium compounds vanadium contact process vanadium-contained heteropoly compound Vanadium-containing graphite tailing vanadium-containing heteropolyacid catalyst Vanadium-containing kaolin vanadium containing slag vanadium containing steel vanadium containing wastewater vanadium-containing wastewater vanadium contamination vanadium deposit