The origin of inclusions in rough sport disfigurement on the surface of investment castings was analyzed and the corresponding solutions were given according to the composition of inclusions.
根据熔模铸件表面麻点内夹杂物的成分组成，对其来源进行了分析，并提出了相应的解决措施。
A systematic analysis of saw cutting handicap for gear steel was done, in which on local parts of saw cutting surface denser large-granular hard inclusions were found.
对齿轮钢钢材锯切下料时遇到的锯切障碍现象进行了系统的分析，在锯切面的局部发现了较为密集的大颗粒硬质夹杂物。
Batch production shows there are no shrinkage cavity and porosity in casting, and no blowholes and sand inclusions on the top surface. The yield of the casting is 81%.
经批量生产验证，铸件内无缩孔、缩松缺陷，上表面无渣孔、气孔缺陷，工艺出品率81%。
As the quality of coal used in coal-fired reheating furnace at hot rolling strip shop is unstable, at the surface of strip steel rolled the red spot inclusions are produced easily.
在热轧带钢车间的燃煤加热炉上由于受到煤质的影响，轧后带钢表面容易产生红斑夹杂。
The results show that the flaws on the surface of high quality cold rolling strip steel are due to the many kinds of non-metallic inclusions of the steel.
分析表明，钢中存在的多种非金属夹杂物是产生优质带钢起皮的主要原因。
The results show that the flaws on the surface of high quality cold rolling strip steel are due to the many kinds of non-metallic inclusions of the steel.
分析表明，钢中存在的多种非金属夹杂物是产生优质带钢起皮的主要原因。
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