英德
有道
百度
谷歌
图片
维基
百科
开孔率
aperture ratio
percentage of opening
fractional hole area
percentage of opening
fractional hole area
- 分析讨论了真空板芯材的泡孔尺寸、开孔率及真空度等因素对真空隔热板性能的影响并给出了试验结果。
The factors affecting its thermal performance such as the cell size, open cell ratio and vacuum pressure have been discussed and the experimental results have been reported. - 以木屑为原料，分布板开孔率和床层高度对临界液化速度的影响不大，粒径分布对临界流化速度随粒径的增大而增加。
the effects of opening rate of distributor sad bed height on critical fluidization velocity are rather slight, while the effect of particle size on critical fluidization velocity is very obvious. - 对于新高分辨率特制筛网系列（型号有130SP、160SP、190SP、250SP等）具有高的开孔率，可生产特殊印花纺织品等特点。
First, a special high-resolution screen for the new series (models 130SP, 160SP, 190SP, 250SP, etc. ) have a high hole rate, to produce a special printing textiles and so on.
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