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- return flow prevention valve 止回阀
- Objective:To explore the effect on cardiac light murmur and cardiac tricuspid valve return flow in normal children. 目的:探讨正常儿童心脏轻度杂音与瓣膜返流的相关性。
- Placing the check valve in parallel with the pressure-reducing valve allows free return flow when the weld cylinder retracts. 将止回阀与减压阀门允许自由回流焊接钢瓶时收回。
- A membranous structure in a hollow organ or passage,as in an artery or a vein,that folds or closes to prevent the return flow of the body fluid passing through it. 瓣，瓣膜在中空器官或管道，例如静脉或动脉血管中的膜状结构，能够收紧或关闭以防止通过其的体液倒流
- A membranous structure in a hollow organ or passage, as in an artery or a vein, that folds or closes to prevent the return flow of the body fluid passing through it. 瓣，瓣膜在中空器官或管道，例如静脉或动脉血管中的膜状结构，能够收紧或关闭以防止通过其的体液倒流
- Aescin is being used in brain edema, open injuries, swelling after operations, venous return flow diseases. 七叶皂甙用于脑水肿，创伤或手术后引起的肿胀；与静脉回流障碍性疾病。
- The relief valve may be serviced while on or off the backflow preventer valve. 可以在防回流阀上维修安全阀，或将其从防回流阀拆卸下来维修。
- Instead of closed boundary conditions which will bring large pressure effects because of return flow, a flow through boundary condition is adopted. 该模型的主要特点是采用开放边界条件，从而可以避免原有封闭模型因回流问题而产生的复杂效应。
- By the use of a cylindrical coordinate system a numerical simulation was conducted of a single tube return flow combustor flow field. 运用圆柱坐标系对单管回流燃烧室流场进行了数值模拟。
- Cardiac tricuspid valve return flow 三尖瓣膜返流
- Glenn noted the water that percolates out from normally irrigated soil, technically known as irrigation return flow, is often as salty as 10 percent seawater. 格伦指出，从灌溉的土壤中渗流出的水在学术上叫做灌溉回归水，这种水的含盐量通常是海水的百分之十。
- The bottom of the body designed no concave nest. So have lower flowing resistance and prevent valves leakage or damage from trash pipe up. 阀体底部设计无凹槽，因此具有流阻小，防止污物堆积造成阀门渗漏或损坏等特点。
- A device for sealing a passage against the escape of gases, especially a U - shaped or S - shaped bend in a drainpipe that prevents the return flow of sewer gas by means of a water barrier. U字形或S字形隔臭管为防止气体漏逸而封堵一段通道的装置，尤指排水管中的U形管或S形弯管，它可以通过水的阻挡防止下水道气体倒流
- A device for sealing a passage against the escape of gases, especially a U-shaped or S-shaped bend in a drainpipe that prevents the return flow of sewer gas by means of a water barrier. U字形或S字形隔臭管为防止气体漏逸而封堵一段通道的装置，尤指排水管中的U形管或S形弯管，它可以通过水的阻挡防止下水道气体倒流
- The reduction in the size of the return flow zone and the intensity of the return flow is prominent.Besides, the onsets of longitudinal and transverse vortex rolls are delayed substantially. 温度量测显示，流场中不规则的温度震荡亦有效的被压制与消除，浮力成为稳定流场之因素。
- Under the object of ensuring the construction speed and the operation security after completes, mud-rock flow preventing theory and practice work come through four development times along the railway. 在保证建设速度和建成后运营安全的目标下,铁路沿线泥石流防治理论与实践工作经历了4个发展时期。
- High-speed stripper can effectively wipe off returning flow of fibres and decrease stopping rate, thus protecting doffer card clothing. 高速清洁辊有效去除返花，降低停车率，保护道夫针布。
- I buy him a drink in return for his help. 我请他喝酒以酬谢他的帮助。
- We look forward to the return of spring. 我们期待着春天的到来。
