Development history and present situation of the preparation of lignin adhesive with SSL were re-viewed. Production mechanism and application method were also introduced.
本文综述了用SSL制作木素胶粘剂的研究历史和现状，并介绍其制胶原理和利用方法。
This paper discussed the planting history and economic benefits and productive present situation and development potentiality and major measure of Zizyphus jujuba of Yiwu.
本文对义乌大枣的栽培历史，经济效益、生产现状、发展潜力及主要措施作了论述。
In this paper, the history and present conditions of welding robot in domestic and foreign situation were summarized, the latest development in technology was discussed.
文中对焊接机器人的应用现状、发展趋势、相关技术进行了概述分析。
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