...-molecular-weight heparin calcium 低分子肝素钙 low-permeability and undeveloped oil-bearing reservoirs 低渗透难动用储量 low-permeability oilfield 低渗透油田 ..
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低渗透难动用储量
Low-permeability and hard-to-utilize reserves
以上为机器翻译结果，长、整句建议使用 人工翻译 。
复杂结构井技术是开发低渗透油藏、难采难动用储量和挖掘剩余油行之有效的手段。
It is an effective way to exploit low permeability reservoir, difficult-to-produce reserves and remaining oils with complex Wells.
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