In the light of CMM characteristics, the electrically controlled gas mixer is applied to make internal combustion engine suitable for CMM power generation to realize a breakthrough in CMM utilization.
瓦斯发电机组针对煤矿瓦斯的特点，应用电控燃气混合器等技术，使内燃机应用于煤矿瓦斯发电，实现瓦斯利用的重大突破。
Paper analyzed formation and characteristics of light sierozem in Ningxia, put forwards existing problems during developmental sierozem, and discussed ways of its amelioration and utilization.
在分析了宁夏淡灰钙土现状的基础上，阐述了淡灰钙土开发利用中存在的问题，探讨了改良利用的途径。
Paper analyzed formation and characteristics of light sierozem in Ningxia, put forwards existing problems during developmental sierozem, and discussed ways of its amelioration and utilization.
在分析了宁夏淡灰钙土现状的基础上，阐述了淡灰钙土开发利用中存在的问题，探讨了改良利用的途径。
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