... 磁共振基本原理 Basic Principles of MRI 流体力学基本原理 Principle of Fluid Mechanics 基本原理与扩展 six edition ...
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In this paper the general working principles of pneumatic seed-metering device was analysed by tne principle of fluid mechanics.
本文运用流体力学的基本原理，对气吹式排种器的工作情况进行了分析。
Tube Web obstruction property of Roots central vacuum cleaning system is analyzed with fluid mechanics and industry ventilate principle.
应用流体力学和工业通风原理，分析了罗茨中央真空吸尘系统的管网阻力特性；
The disproportion of the oxygen concentration between the inlet and return sides inside the goaf observed in the field is rationally explained from fluid mechanics principle.
从流体力学原理上对现场观测采空区内部进回风两侧氧浓度分布的不均衡给予更合理地解释。
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