本研究以经过脱脂处理的蝇蛆为试验材料。
热处理部件必须清洁，如果有必要应进行脱脂处理；
The parts for heat treatment must be clean and degreasing treatment is requirement if necessary;
带钢经脱脂处理其表面油杂质去除率达98%、铁杂质去除率达95%。
Through degrease disposing, 98% of greasy impurity and 95% of iron impurity attached on the surface of steel strip can be removed.
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