yzc meaning in English

兖州煤业

The yzc - 500 system has been running about a half year the fact proved major qualification of this system catched the advanced level of the world
经过近半年的试用， yzc - 500型制冷压缩机测试系统的主要技术指标达到国内外先进水平。
Yzc motors are widely used for driving highly accurate machine tools and such instuments which low noise and little vibration is needed
Yzc系列低振动低噪声三相异步电动机振动小、噪声低，适用于各种高精度的精密机床，以及需要低噪声、低振动的各种机械设备。
The influence of y2o2s : eu phosphors fluorescent spectra , chroma and luminescing efficiency is studied with the changing of concentration of eu34 " ion , and the suited concentration of eu3 + ion is acquired , all these provided support for the research on the yzc ^ s : eu , mg , ti long - persistent phosphors structure and luminescence performance
研究了不同eu含量对y _ 2o _ 2s ： eu荧光体光谱性能、发光效率和色度的影响，给出了最适宜的掺eu浓度，为进一步研究探讨y2o2s ： eu ， mg ， ti长余辉磷光体的基质组成和发光性能提供依据。