The processing procedure of prototype making by rapid prototype and the production process of cast steel box without wax pattern in investment casting were described.

给出了利用RP技术制造非金属原型的工艺流程，介绍了无模具熔模铸造箱体铸钢件的工艺过程。

youdao

When Coca-Cola began looking for a suitable Chinese version of its name after launching the drink there in 1927, it found that some local shopkeepers had produced homemade signs using Chinese characters to replicate the sound of the words "Coca-Cola, " without noticing that the characters in combination could be read as "female horse fastened with wax" or "bite the wax tadpole, " according to Coca-Cola researchers.

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