It's simple to transport and easy to set up, and is round tough sound systems for the most discerning of professional users!
很简单的运输和易于建立，是圆的强硬声音系统为最挑剔的专业用户！
After the 10 years research and practice, relatively sound project management systems and series of professional qualification systems have been set up according to the international tradition.
经过10多年的工程实践和研究，我国已经参照国际惯例建立了较完善的项目管理体系和一系列执业资格认证制度。
May, in various professional fields, such as: fixed installation, a small hall sound reinforcement, mobile performance and large sound reinforcement systems supporting fills and so on.
可应于各种专业领域，如：固定安装、小型的厅堂扩声、流动演出及大型扩声系统的辅助补声等等。
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