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无固相水基钻井液
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无固相水基钻井液
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低固相钻井液
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solids-free water based drilling fluid
无固相水基钻井液
不用黏土,在清水中加入高分子聚合物、高分子量纤维素、生物聚合物(XC系列)、野生植物胶等人工配制成具有一定黏度、静切力等性能的冲洗液。
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forestry policy history
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forestry production structure
forestry productivity
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forestry quarantine pests
forestry remote sensing
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forestry technology and economic results
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