At the end of the annular passage, shock wave occurs when the relative lift is less than 6% and the pressure ratio is less than 0.7, which causes a greater total pressure loss.
在相对升程小于6%、压比小于0.7后，环形通道的末端将产生激波，激波带来较大的全压损失。
The suspended sediment in the south passage at the Yangtze river estuary was used to conduct experiment in the two-way annular flume about sediment concentration, salinity velocity and flow velocity.
选用长江口南槽悬沙，在双向环形水槽中进行盐度、含沙量、流速等不同条件下组合实验。
A first inwardly extending annular shoulder is provided between the sealable opening and the bottom opening, defining a flow passage along a longitudinal axis of the housing.
在可密封的开口和底部开口之间设置一第一向内延伸的环形肩部，该环形肩部沿着外壳的纵轴线限定出一流通通道。
A annular flow passage is divided by isosceles-trapezoid-like baffle blocks, suction inlets and outlets are provided on both sides.
环形流道由类似等腰梯形的隔板挡块分割开来，两边分设吸入口和排出口。
ConclusionNd: YAG laser in combination with an annular silicone tube is useful in treatment of obstruction of the lacrimal passage.
结论泪道激光成型联合硅胶管植入术治疗泪道阻塞是一种有效的治疗方法。
To evaluate the clinical effect of Nd:YAG laser in combination with an annular silicone intubation for obstruction of the lacrimal passage.
目的探讨泪道激光成型联合硅胶管植入术治疗泪道阻塞的效果。
To evaluate the clinical effect of Nd:YAG laser in combination with an annular silicone intubation for obstruction of the lacrimal passage.
目的探讨泪道激光成型联合硅胶管植入术治疗泪道阻塞的效果。
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