Several important problems related to ceramic shell used silica sol as binder were studied in order to raise technical level of the shell making and improve quality of the castings.

探讨硅溶胶型壳制壳工艺中几个主要问题，以求提高工艺技术水平和铸件质量。

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Several important problems related to ceramic shell used silica sol as binder were studied in order to raise technical level of the shell making and improve quality of the castings.

探讨硅溶胶型壳制壳工艺中几个主要问题，以求提高工艺技术水平和铸件质量。

youdao