n.圓形心軸(芯棒；半導(dǎo)體陰極金屬心；卷筒；鶴嘴鋤)
vt.拉延(隨心軸轉(zhuǎn)動(dòng))
The winder will consist of an air expanded winding mandrel. 卷取機(jī)由氣動(dòng)脹縮卷筒組成。
