turbulent vertical jet 铅直紊动射流
vertical jet grouting pile wall 竖向旋喷桩墙
vertical turbulent jet 垂向紊动射流
The effects of a side wall vertical jet on sudden-expansion channel's wall pressure coefficient, surface heat transfer coefficient and main flow recirculation zone length are discussed in detail.
讨论了垂直于突扩通道主流方向的侧壁射流对壁面压力系数、传热系数及主回流区长度的影响。
Schwartz did not mention progress on the Navy's version of the jet, the F-35C or the Marine Corps' F-35B short takeoff and vertical landing version of the fighter.
洛克希德官员称，施瓦茨并未提及海军版本的喷气机、F-35C或海军陆战队的F-35B垂直起降战斗机版本的进展。
Instead of using wings, the coleopter employed a circular extension serving as the outer part of the jet engine while helping the aircraft achieve level flight, as well as vertical ascent and landing.
环翼机没有尾翼，而是采用一个延伸的圆形作为外部引擎，帮助飞机完成水平飞行和垂直起飞降落。
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