u型套桶管
基于8个网页-相关网页
u type pipe u型管
U-type pipe U 形管
u-type laying pipe u型埋管
U-type vertical pipe U形竖直地埋管
Screw conveyor in the form of delivery is divided into two kinds of shaft screw conveyor and shaftless screw conveyor, in appearance is divided into U type screw conveyor and pipe screw conveyor.
螺旋输送机在输送形式上分为有轴螺旋输送机和无轴螺旋输送机两种，在外型上分为u型螺旋输送机和管式螺旋输送机。
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