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Terms for subject Ecology containing coal | all forms | exact matches only
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apple coal软煤
basis of coal analysis煤分析基准
chemical cleaning of coal煤的化学净化
clean coal technology洁净煤技术
clean use of coal煤的清洁用法
coal briquette for civilian use民用型煤
coal carbonization waste炼焦废水
coal cinder coal slag煤渣
coal desulfurization煤脱硫
coal dressing waste water洗煤废水
coal dressing wastewater洗煤废水
coal dust煤粉尘
coal gas waste煤气废物
coal gas waste煤气废水
coal gas waste煤气废料
coal mine subsidence land采煤沉陷地
coal mine waste pile煤砰石
coal mining and processing wastes煤矿废水
coal-mining waste采煤废水
coal-tar waste煤焦油废水
desulfurization of coal煤脱硫
hard ash coal贫烟煤
industrial coal briquette工业型煤
light coal瓦斯煤
light coal轻煤
measurement of coal seam thickness煤层厚度测量
measuring coal content测量煤含量
National Coal Association全国煤炭协会 (US)
raw coal desulfurization原煤脱硫
run coal原煤
run of mine coal原煤
smudge coal天然焦炭
standard coal标准煤
stone coal白煤
subsided land resulting from coal-mine采煤塌陷地
waste from coal chemicals煤化学工厂废水
weathered coal风化煤