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
- Characteristics of Flow Field in Annulus Space between Train and Tunnel
列车与隧道环隙空间流场特性的研究 - 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。 - Sleeve used to establish between the tubing and annulus flow channel, or used to control the production of disposable isolation layer or layers.
滑套用于建立油管和环空之间的流动通道或用于控制生产层或隔离弃层。 - 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 - The Application of Screw Pumps in Directional Wells and the Technology Research on Annulus Test
定向井中螺杆泵及螺杆泵环空测试技术研究 - 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。 - Objective: To investigate the feasibility of fascia lata on repairing intervertebral disc annulus.
目的：探讨阔筋膜修复腰椎间盘纤维环的可行性。 - Modeling and Processing Simulation of Straight Profile Annulus Worm Gear
直廓环面蜗轮的三维建模与加工仿真 - Study on Annulus Pressure Distribution after Perforation of Composite Perforators
复合射孔器射孔后环空压力分布试验研究 - Flood the market at present the leatheroid chair of belt annulus, will tell to contemporary household too coarse.
目前充斥市场的带轮的人造革椅，对于现代家居来讲就太粗糙了。