Ms. Yu Yali, Vice President of the Bank of Communications, visited SGE.

交通银行副行长于亚利访问交易所。

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Objective: To study the anticaries effects of salivary gland extract (SGE).

目的：研究唾液腺提取物(SGE)的防龋效果。

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Mr. Yu Changqing, Chairman of the Shandong Gold Group Co. , Ltd. , visited SGE.

山东黄金集团有限公司董事长于常青访问交易所。

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