粗砂锥辗硅砂 concial sand from coarse sand

粗砂锥辗矽砂 concial sand from coarse sand

三峰砂锥齿鲨 Carcharias tricuspidatus

大眼砂锥齿鲨 noronhai ; Odontaspis noronhai

锥形砂轮 taper wheel ; cone wheel ; Tapered grinding wheel

砂锥齿鲨属 Odontaspis

凶猛砂锥齿鲨 ferox

砂浮法圆锥选煤机 sand cone ; sand flotation cone

锥形除砂器 conical refiner ; conical sand trap ; Centrifugal Cleaner