In addition, they are used as refractory materials, chemical additive precision founding and anti-sliding materials.
此外在耐火材料，化工添加剂，精密铸造及防滑材料等方面也有广泛应用。
In addition, they are also used as refractory materials, chemical additive, precision founding and anti-sliding materials.
此外在耐火材料、工添加剂、密铸造及防滑材料等方面也有广泛应用。
This paper analyzed the cause of the reverse gears's cracking during the quenching process, and recited the damages of using unqualified raw materials in founding.
通过对回转齿轮淬火开裂原因的分析，列举了原材料铸造不合格存在的弊端。
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