（取模需要的材料如上）口腔取模通过先阴后阳如印章般可以较为准确地表现出一个人的牙齿形态。
Making teeth model is like engrave a seal, using the technique of both intaglio and rilievi; so that the model can reflect someone's teeth accurately.
很多外国生意人很讶异他们的中籍生意伙伴选用印章，而不是在文件上签名。
Many foreign businessmen are astonished that their Chinese counterparts prefer to use name chops instead of signing their names on documents.
调解书由仲裁员签名，加盖劳动争议仲裁委员会印章，送达双方当事人。
The statement of mediation shall be signed by the arbitrators, sealed by the labor-dispute arbitration commission and served on the parties.
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