annulation
n. 环状物,环状结构
例句
Cantilever Racking: it is fit for long material, annulation, boards, and irregular goods.
悬臂式货架适用于放长物料,环形物料,板材和不规则物料。
Result: a new type fiber-annulation thickening on intracavitary cell wall, was discovered in medical material power.
结果:在药材粉末中发现一种新型纤维—其腔内细胞壁环纹增厚。