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But this was then an area that had no pore detail.
但是，这是当时的一个领域没有孔细节。
youdao
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Anthracite char has poor pore structure and small specific surface area.
无烟煤焦分支孔贫乏，比表面积很小。
youdao
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Anthracite char has poor pore structure and small specific surface area.
无烟煤焦分支孔贫乏，比表面积很小。
youdao