1)skimming hole,撇渣口2)skim gate,撇渣口3)skimming,撇渣4)skim up,撇渣5)drossing,撇渣6)separation of slag,撇渣7)skim bob,撇渣包，撇渣瘤8)skimmer,撇渣闸，撇渣器9)skimmer,撇渣器10)skimming rate,撇渣效率
用法和例句
the measures are proposed to improve skimming method through a series of experiments,The experimental results show the use of two in one brick for skimming is feasible.
