动物和女人做人爱视频2019

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    GLOSSARY

    Tapered Pellet Dies: Compression ratio

     
     

    Compression ratio: The compression ratio is the ratio between the effective pelleting length (the actual compression thickness) and the pellet hole diameter (D). This compression ratio with vary with the different types of feed. To approximately find the compression thickness, after selecting the pellet hole diameter you can multiply the index by this diameter.

     
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    动物和女人做人爱视频2019
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