The plastics engineers were in a constant effort to improve the distributive and dispersive mixing performance of the single screw extruder for many years.
为改善单螺杆挤出机的分散和分布混合能力，国内外塑料工程师们多年来进行了不断的努力。
The plastics engineers were in a constant effort to improve the distributive and dispersive mixing performance of the single screw extruder for many years.
为改善单螺杆挤出机的分散和分布混合能力，国内外塑料工程师们多年来进行了不断的努力。
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