The basic principle of pearl processing and the simple standard for judging the quality of pearl processing were introduced in this paper.
本文介绍了珍珠加工的基本原理，并提出作为评判珍珠加工质量的简单标准。
The basic principle of pearl processing and the simple standard for judging the quality of pearl processing were introduced in this paper.
本文介绍了珍珠加工的基本原理，并提出作为评判珍珠加工质量的简单标准。
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