Based on the gb6932-2001 Standard, the paper introduces how to test the key technical indexes of domestic instantaneous gas water heaters scientifically and accurately.

按照GB6932—2001标准，介绍了应如何科学、准确地对家用燃气快速热水器的重要技术指标进行检测。

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The main technical indexes of electric barrier, as integration of mechanics and electrics product, can be improved as a whole with system design method and key technologies synthetically analyzed.

电动栏杆机作为机电一体化产品必须采用系统设计思路，综合分析各系统设计的关键技术，才能整体提高栏杆机的主要技术指标。

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The characteristics and technical indexes, key technologies, operation accidents, countermeasures and safety technical measures of high-pressure underground gas storage well are introduced.

介绍了高压地下储气井的特点及技术指标、关键技术、运行事故与对策、安全技术措施。

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