不旋转阀杆采用无旋流阀瓣，确保减少扭矩，防止填料受到扭转损坏。
Non rotating stem allows a non-spinning disc, ensures low torque and prevents torsional damage of the packing.
水模型实验结果表明，与无旋流情况相比，施加旋流后循环流量显著增大。
The water model experiments show that the circulation flow rate with swirling flow increases significantly.
该发动机主体结构为一内置有旋流燃烧室的高速旋转无叶无塞内燃转子，能融压气、燃烧和排气做功于一体。
The engines main body structure is an internal-combustion rotor, which has no blade and no piston but has an internal revolved stream combustor.
通过因次分析和实验数据回归建立了新型微旋流沉降器的无因次准数模型。
A model of dimensionless numbers for a novel micro-cyclone clarifier was established through the method of dimensional analysis and regression of experimental data.
主要介绍喷气式流体旋流浮选器细煤浮选过程的模拟与分析课题的第一部分，即无维变量模型的建立与分析。
This paper describes the first part of a research project, "Establishing a model of dimensionless variables and its analysis".
主要介绍喷气式流体旋流浮选器细煤浮选过程的模拟与分析课题的第一部分，即无维变量模型的建立与分析。
This paper describes the first part of a research project, "Establishing a model of dimensionless variables and its analysis".
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