In accordance with the domestic production and application cases for pitch as impregnating agent, Suggestions for speeding up the commercial production of pitch as impregnating agent are given.
根据国内浸渍剂沥青的生产和使用情况，提出了加快浸渍剂沥青工业化生产的建议。
In accordance with the domestic production and application cases for pitch as impregnating agent, Suggestions for speeding up the commercial production of pitch as impregnating agent are given.
根据国内浸渍剂沥青的生产和使用情况，提出了加快浸渍剂沥青工业化生产的建议。
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