直径的豁免：Diameter exemption 直径长度比：length to diameter ratio 直径16毫米以下的单针筒圆型针织机：Single cylinder knitting machines,up to 165mm diameter ..
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关键词 : 脉管制冷机 ;长径比 ;数值模拟 [gap=817]Keywords : pulse t ube ref rigerator ; length to diameter ratio; numerical si m ulation
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长度直径比 aspect ratio; fineness ratio; length diameter ratio; length to diameter ratio; length-diameter; length-to-diameter ratio; slenderness ratio 冲程直径比 stroke-bore ratio .
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length-to-diameter ratio 长度 ; 长度直径比 ; 长径比
extruder length to diameter ratio 挤塑机长径比
high length to diameter ratio 大长细比
hole length to diameter ratio 长径比
length-to-diameter ratio of kiln 窑的长径比
length-to-diameter ratio of cylinder 圆筒长径比
Especially, the study on the needle-shape nozzle structural parameter is performed when the jet-pressure is changed. The nozzle structural parameter includes: nozzle diameter (d); length to diameter ratio(L/d; inlet angle and outlet diffusion angle.
着重研究了针型喷嘴的结构参数：喷嘴的孔径（d）、长径比（L/d）、入口角与出口扩散角，从而得出最佳的喷嘴结构参数。
参考来源 - 针型喷嘴结构对射流特性影响的实验研究·2,447,543篇论文数据，部分数据来源于NoteExpress
Affected by electromagnetism and structure, the rotor shaft of big length to diameter ratio high power density asynchronous motor shows low intensity and bad rigidity.
大长径比高功率密度电机受电磁及结构因素的影响，转轴的强度低，钢度差。
The sealing property problem for the stirring shaft of high-speed pressured reaction axe with large length to diameter ratio is always a difficult problem to study for designers and users.
高速大长径比压力反应釜搅拌轴密封性能问题一直是设计者与使用者研究的难题。
This makes them incredibly strong and incredibly light, and they've already been manufactured in strands with a length-to-diameter ratio of 132 million to one.
这使得它们非常牢固但又令人难以置信的轻，并且它们已经被用来生产出长度直径比为1.32亿的绳链。
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