The new device emits a powerful circularcolumn of light.
这个新装置发出一束强烈的环形光柱。
《柯林斯英汉双解大词典》
2
The dilator is composed of a circular ball and a circularcolumn.
它由圆球和圆柱两部分组成。
3
The study showed that when length of circularcolumn part is 2.5 ~ 3.0 times outlet diameter, abrasive particle velocity near to 95% velocity of water-jet.