coal tar pitch

短语词组

短语

• coal -tar pitch derived carbon 煤沥青炭
• blown coal -tar pitch 吹气硬煤沥青
• medium temperature coal -tar pitch 中温煤沥青
• Electrode coal -tar pitch binders 电极沥青粘结剂
• blast furnace coal -tar pitch 高炉煤焦油沥青
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