Used to measure vehicle emissions of HC and co gas concentrations, using advanced foreign technology, import the key components assembled.
用于测量汽车排放废气中的HC及CO气体浓度，采用国外先进技术，进口关键零部件组装而成。
Use of advanced foreign technology, import the key components assembled.
采用国外先进技术，进口关键零部件组装而成。
The enterprises that import foreign advanced production technology and equipment, technical improvements to adhere to the basic concept.
本企业引进国外先进的生产工艺和设备，坚持技术改进为基本理念。
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