挤压机利用率
Utilization rate of the extruder
以上为机器翻译结果，长、整句建议使用 人工翻译 。
而中国挤压机的开工率仅为35%左右，远远落后于发达国家水平，比世界平均利用率低30个百分点。
The operating rate of extrusion machine in China is only 35% or so, which falls long distance behind of the developed countries' level, and is less 30% than the world average operating rate.
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