单词	疏密波
释义	疏密波 dilatational wave
随便看	extruder compounder extruder constant extruder core extruder crosshead extruder cylinder extruder cylinder liner extruder diameter extruder die extruder diehead extruder die head extruder die plate extruder drive extruder-dryer extruder elastic band extruder feedstock extruder feed throat extruder for five layer film extruder for lead covered cable extruder for the covering layer extruder freezing equipment extruder grain extruder gun extruder head extruderhead core extruder head core