The economical pipeline leak detector was designed and developed after the analysis of the leak detection technology, the leak detection equipment status quo and development trend.
本文在对泄漏检测技术、检测设备现状和发展趋势进行分析的基础上，设计和开发了经济实用的管道泄漏检测器。
The technology and equipment to produce high degree of decoration materials with discharged glass bottles are discussed in details. The technical and economical analysis is cited.
详尽介绍了利用废弃玻璃容器生产高档装饰材料的工艺和设备，并给出了具体的技术经济分析。
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