expander roll,felt widening roll,fully wormed roll是什么意思

中文翻译展毯辊

网络释义

1)expander roll,felt widening roll,fully wormed roll,展毯辊2)curved bar spreader,弓形展毯辊，弧形舒展辊3)spread roll,毛毯舒展辊(展毯辊)4)spreader,"毛毯舒展辊(展毯管,扩散器)"