crude grading meaning in English
粗选
Examples
- The segment , es32 , is a set of sedimentation deposited by gravity flow of the near - shore steep slope sublacustrine fen , is formed out of granule roundstone and also features coarse lithology and crude grading
Es _ 3 ~ 2段储层属近岸陡坡湖底扇重力流沉积，储层岩性以细砾岩为主，岩性粗、分选性差。 - The cyclones with short cone are used for crude grading of minerals with heavier specific gravity in gold mines , sand gold mir . es and sulphur ore mines and have such advantages as small ground occupation , high capacity , high operating flexibility , low energy consumption and high movability etc
短锥分选旋流器用于金矿、砂金矿、硫化矿等比重较大的矿物的粗选作业，具有占地面积小，处理能力大，操作弹性大，能耗低，可移动性强等优点。