The processing technique is of low cost, high efficiency, and excellent quality.
该加工技术成本较低、效率较高，质量较好，并得到了初步的应用。
Tea processing technique there got some improvement at the end of this period.
清末，四川茶叶加工技术得到一定改进。
Tea processing technique there got some improvement at the end of this period.
清末，四川茶叶加工技术得到一定改进。
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