• Practices show that, in the channel seepage control, singular material is gradually converted to composite material, and singular structure is gradually replaced by composite structure.

    根据工程实际运用情况,认为渠道防渗单一材料复合材料单一结构复合结构发展。

    dict.cnki.net

  • Practices show that, in the channel seepage control, singular material is gradually converted to composite material, and singular structure is gradually replaced by composite structure.

    根据工程实际运用情况,认为渠道防渗单一材料复合材料单一结构复合结构发展。

    dict.cnki.net

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