国产免费高清69式视频在线观看

    • Screw Conveyor

      LSY type screw conveyor is special equipment that is in sealed circular section shell and continuous transport material via rotary palladium. It is used to transport a variety of meal, granular material, small block material, such as cement, fly ash and ore fines, etc. LSY screw conveyor has some features of compact form, small cross-sectional area, light-weight, good leak tightness, high transportation efficiency, flexible process collocation and so on.

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    国产免费高清69式视频在线观看