high bituminous coal

短语词组

短语

• high sulfur bituminous coal 高硫烟煤
• high volatile bituminous coal 高挥发性沥青煤;气煤;焰煤;长焰煤
• high rank bituminous coal 高级烟煤
• high volatile bituminous coal a 气煤
• high volatile bituminous coal c 焰煤
• high volatile bituminous coal b 长焰煤;长焰炭
• high -volatile A bituminous coal 高挥份A级烟煤
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