low rank bituminous coals
低阶烟煤
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low rank bituminous coal
低级无烟煤
high sulphur occurring low rank coal
高硫低阶煤
low rank bituminite coal
低变质烟煤
Low Rank Coal
低煤级煤
低煤阶
低煤阶煤
低变质煤
煤层气
低阶煤
劣质煤
low rank coals
低阶煤
劣质煤
Low rank inflammation
低度炎症
low rank soft coal
低阶烟煤
mid low low temperature shift
中、低、低变换
mid low low temperature shift process
中低低变换工艺
NHD溶剂
middle low low temperature” shift process
中低低变换工艺
low C low Si killed steel
低碳低硅镇静钢
low carbon and low alloy steel
低碳低合金钢
low carbon low silicon Al-killed steel
低碳低硅铝镇静钢
Low Carbon Low Silicon Steel
低碳低硅钢
low dielectric constant and low dielectric loss
低介电低损耗
Low erucic acid and low glucosinolate
双低
low fric-tion low force
低摩擦轻力
low light with low temperature
低温弱光
low permeability and extremely low permeability oilfield
低渗透和特低渗透油田
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