• The utility model relates to a pneumatic injection pump, comprising a cover board, a vessel, an air inlet, compressed air, mortar and a grout outlet.

    气压式注浆主要由盖板容器气口、压缩空气砂浆浆口组成。

    youdao

  • The utility model relates to a pneumatic injection pump, comprising a cover board, a vessel, an air inlet, compressed air, mortar and a grout outlet.

    气压式注浆主要由盖板容器气口、压缩空气砂浆浆口组成。

    youdao

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