介绍了涂装前处理设备选择“直喷清洗、回流补水”结构的依据。
Basis of selecting straight spraying cleaning and reflux water compensation structure as coating-pretreatment equipment is introduced.
特别对磷化材料以及前处理设备的现状和发展趋势作了较全面介绍。
The present status and future development of phosphating materials and pre-treating equipment are especially given a comprehensive description.
在样品前处理设备领域如自动顶空进样器，从设计研制到生产和技术服务取得了重大突破；
To sample-handling equipment, such as automatic headspace sampler, we achieved a major breakthrough from design and development to production and technical service ;
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