annulus
英
美
n. 环形物，环带（节、体）；圆环域
COCA.36877
英英释义
noun
- (Fungi) a remnant of the partial veil that in mature mushrooms surrounds the stem like a collar
- a toroidal shape
- a ring of ships in the harbor
- a halo of smoke
双语例句
- To reduce the pollution of the oil-gas well towards the bottom after its fracturing and decrease the operation costs, the hanger specially used for annulus feeding fracturing was developed.
为了减轻油气井压裂后对地层的污染并降低作业成本，研制了高强度环空压裂专用悬挂器。 - The two-dimentional motion differential which fits for non-Newtonian fluid in eccentric annulus with permeable well wall is studied in this paper.
本文研究了适合带渗透性井壁的偏心环空非牛顿流体二维运动微分方程式。 - PIV experimental study on the axial velocity's distributing law of power law fluid's helical flow in eccentric annulus
幂律流体偏心环空螺旋流轴向速度分布规律的PIV实验研究 - Numerical simulation on natural convection of water near the maximum density in horizontal annulus;
在整体有限元模型基础上，对水平层缝的模拟做了简化处理。 - In all cases, filtering operations are carried out using a square window or annulus.
在所有的情况下，滤波运算都是使用方形窗或圆环来进行的。 - Because white castle towers aloft to go up in high hill, its all around annulus hill and laky.
由于白色城堡耸立在高高的山上，其四面环山和湖泊。 - The compact area of unripe condyle carries development to the head, form cartilage dish with fiber annulus former base.
生骨节的致密区向头端发展，形成软骨盘和纤维环的原基。 - Pump running, you must use a small amount of fluid set of internal magnetic separation between the rotor and the annulus area and sliding friction bearings for flushing cooling deputy.
泵运转时，必需用少数的液体对内磁转子与隔离套之间的环隙区域和滑动轴承的磨擦副进行冲洗冷却。 - Effect of Aortic Annulus Plastic Enlargement on Aortic Valve Replacement
主动脉瓣环扩大术在主动脉瓣置换术中的应用 - A novel gas-liquid self-sucking nozzle with inward-convex annulus structure was equipped to study the dissolution of oxygen.
建立实验装置，研究一种带凸形圆环结构的新型自吸式气液二相喷嘴的吸气溶氧性能。