...单螺杆螺杆直径（Screw diameter）65mm 90mm 120mm长径比（L/D Ratio）1:25——1：30螺杆转速（Rotational speed of the screw）25——70转（rpm）驱动功率（Driving power）1
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The sludge residence time in the screw press and thus the filtration time can be adjusted to individual requirements by adjusting the rotational speed of the screw shaft.
污泥停留在螺旋压力机的时间，（即）过滤的时间可以根据实际情况通过改变螺杆轴转的速调整。
Reasonable gas feeding conditions are discussed in the continuous extruding process of foamed plastics. The influence of different posit, nozzle construction, rotational speed of screw, etc.
讨论了泡沫塑料连续挤出成型过程中的合理进气条件，分析了不同进气位置、喷嘴结构和螺杆转速等对气泡形态的影响。
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