With quick development of database technology and wide application of database management system, the data that people accumulated are getting more and more.
随着数据库技术的飞速发展以及数据库管理系统的广泛应用，人们积累的数据越来越多。
Company devotes to the boiler's sales, installation and service system and Heating technology development and application.
公司致力于锅炉的销售、系统安装、售后服务以及暖通技术的开发与运用。
Company devotes to the boiler's sales, installation and service system and Heating technology development and application.
公司致力于锅炉的销售，系统安装，售后服务以及暖通技术的开发与运用。
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