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。 - 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 - 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。 - When notochord organization is ceaseless and migratory, fiber annulus also increases.
在脊索组织不断迁移时，纤维环亦增大。 - 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。 - The application range of the annulus centrifugal flowmeter is also provided.
给出了该流量计的使用范围。 - Numerical calculation of pressure drop of axial laminar flow in concentric annulus of power-law drilling fluid Churn flow and annular flow are common flow patterns encountered in gas-liquid systems through conduits.
幂律钻井液同心环空轴向层流压降的计算对垂直同心环形管内上升气液团状流向环状流的转换进行了研究。 - The diffraction of super Gaussian beams by an elliptic annulus is studied numerically.
本文采用数值计算方法讨论了超高斯光束经椭圆环的衍射现象。 - 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。 - 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。