feed mechanism短语¹⁰⁶¹⁰⁰⁺⁵ 基本例句 馈送机构,供给机构,推进机构,上料机构 This article introduces the design meted of the automatic mediate unit and fine cuming unit of reel of wrapping film feed mechanism of pillow style seam wrapping machine. 本文介绍了枕式裹包机包装材料卷筒轴的对中装置和微调装置的设计。 cnki