Mooring bollards being fabricated from steel tube and solid bar.
系泊柱正在编造由钢管和固体酒吧。
In the heat transfer device the capillary structure with thickness gradient is fabricated by centrifugal forming technology so that it is possible of non-mandrel bar technology.
制造该热传递装置主要是利用离心成型技术制作具有厚度梯度的毛细结构,使得无芯棒工艺成为可能。