Thus a proportion of the total volume of any sediment, loose or cemented, consists of empty space.
因此,无论是疏松或胶结,沉积物总体积都有一部分是由空隙组成的。
Apply to differential slip shaft what full-automatic loading and unloading coil stock, ensure the volume do not shift and loose while counter rotating.
适用于全自动装卸卷料的滑差轴,保证正反转时卷芯不移位,不松动。
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