1) bed aspect ratio
床层高径比
1.
The bed expansion in the dense phase of binary mixture particle was studied experimentally in a large scale cold model of Perspex experimental equipment withΦ500 mm×12500 mm;and then the effects of gas superficial velocity,bed aspect ratio and mass fraction of fine particle on bed expansion of binary mixture particle were investigated.
在一套Φ500mm×12500mm大型冷模实验装置上对大差异双组分混合颗粒体系的密相床床膨胀规律进行了实验研究,考察了表观气速、床层高径比和小颗粒质量分率对混合颗粒体系床膨胀的影响。
2) deep layer bed
高层，高床
3) low ratio of height to diameter
低高径比
1.
5 bulk metallic glass with low ratio of height to diameter have been studied by means of Instron Univeral-Testing Machine(IUTM) and scanning electron microscopy(SEM) at room temperature.
5大块非晶合金的室温低高径比压缩变形和断裂行为。
4) high ratio of height to thickness
大高径比
1.
The influence of squeeze casting on cup-shaped ZA27 alloy castings with high ratio of height to thickness (M=7) was investigated.
研究了挤压铸造比压对大高径比(M=7)ZA27合金杯形铸件组织与不同部位性能的影响。
2.
The fundamental problem of plunger type squeeze ZA27 alloy castings with high ratio of height to thickness (M=H/D=7) was investigated.
研究了大高径比(M=H/D=7)ZA27合金铸件的柱塞式挤压铸造。
5) ratio of height and diameter
高径比
1.
A batch aerobic fluidized bed bioreactor of 150 m~3 was used for the refinery wastewater treatment,which was composed of multi-circling tubes,low ratio of height and diameter(3.
介绍了一套有效体积为150m3、高径比为3。
6) larger ratio of height to diameter
大高径比
1.
The distinct characteristic of squeeze casting with larger ratio of height to diameter is (heterogenous) distribution of squeeze pressure.
大高径比挤压铸件成形时的一个显著特征是压力沿着轴向分布严重不均。
补充资料：高层
①（楼房等）层数多的：～住宅丨 ～建筑。②居于上层的：～岗位丨～领导丨～人物。
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参考词条