The core mold made of thermal expansion silicon rubber is used with steel mold to mold CF composite products with good result.

以硅橡胶材料制作的芯模与钢模组合使用制备碳纤维复合材料制件，应用效果较好。

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Conceptual framework of financial accounting (CF) has become the core of financial accounting theory studies.

财务会计概念框架(CF)的研究已成为财务会计理论研究的核心内容。

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