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- Effects of the content of fiber,vesicant,pore ratio and pore diameter were investigated,the results indicates the variables have great effects on the sound absorbing performance of the samples. 实验发现,孔隙率、平均孔径大小、玻璃纤维含量、发气剂含量对材料吸声性能有显著影响。
- Keywords Dise-type filter;Filtering area;Filtercake;Pore ratio; 圆盘过滤机;过滤面积;滤饼;孔隙率;
- He was sweating through every pore. 他每个毛孔都在冒汗。
- The ratio of students to teachers is 35:1. 学生和老师的比率是三十五比一。
- The ratio of schoolboys to schoolgirls is 2 to 1. 男学生和女学生的比例是2比1。
- I see him chafe and fret at every pore. 我看见他非常暴躁。
- Men outnumber women here in the ratio of three to one. 此地男子数量以三比一超过女子。
- Let's pore deeply on the matter. 让我们深入考虑一下这件事。
- The first or last term of a ratio or a series. 首项，末项比率或数列中第一个或最后一个项
- He began to pore upon religious problems. 他开始考虑宗教问题。
- That can pass through a given pore size. 可滤过的能通过一给定微孔尺寸的
- A small opening or pore,as of a fruiting body. 小孔小的开口或小孔，如子实体的
- The female pore, are most commonly a single pair. 雌孔大多是一对。
- A small opening or pore, as of a fruiting body. 小孔小的开口或小孔，如子实体的
- After-tax profit margin is the ratio of net income to net sales. 税後利润率指净收入与净销售之比。
- The ratio of men to women was two to one. 男女的比例是二比一。
- pipe pore ratio 管孔比
- That can pass througha given pore size. 可滤过的能通过一给定微孔尺寸的。
- Clears and refines pore openings. 清洁滋润毛孔。
- The interval between any two frequencies having a ratio of2 to1. 倍频程频率比率为2比1的两个频率的间隔
