national standard of gas content in one ton of coal
返回 19 条匹配短语对
gas content in coal-bed
煤层含气量
discharge within controlling index of national standard
达标排放
evolution of national standard
国家标准演变
national standard of energy efficiency
国家能效标准
National Standard of USSR
原苏联国家标准
New national standard of cement
水泥新国家标准
Revision of national standard
国标修订
the setting up of national standard
修订国标
transportation and sales of national coal
煤炭产运销
material evaluation of gas standard material
气体标准物质的性能评价
standard gas of ethylene in nitrogen
氮气中乙烯标准气体
standard gas of ethylene oxide in nitrogen
氮中环氧乙烷标准气体
standard gas of hydrogen sulphide in nitrogen
氮气中硫化氢标准气体
standard gas of methane in air
空气中甲烷标准气体
standard gas of oxygen in nitrogen
氮气中氧标准气体
空气中异丁烷标气
standard gas of sulfur dioxide in nitrogen
氮气中二氧化硫标准气体
standard gas of sulfur isobutane in air
氮中氧
standard ton of
冷冻标准吨
standard gas of methane
氮气中甲烷、乙烷、乙烯、乙炔标准气体
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