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- A paving asphalt penetration ratio improver was introduced. 介绍了一种提高道路沥青针入度比的改进剂。
- Abstract By use of the DOP monodisperse and polydisperse aerosols, the penetration ratio and filtration efficiency of glass filter media are measured. 摘要 为将过滤器更好地应用于放射性气溶胶的清除 ,本工作利用邻苯二甲酸二辛酯 (DOP)气溶胶团粒 ,对常用于制造过滤器的玻璃纤维膜进行了过滤特性研究。
- This paper presents following research result that the penetration ratio( depth to caliber) up to10 has been achieved by using the precision shaped charge warhead technology. 介绍了采用精密破甲战斗部技术使破甲穿深突破10倍装药口径的研究成果。
- For hot metal desulphurization by powder injection, mixing time, residence time and powder penetration ratio are the three basic parameters which determine desulphurization efficiency in ladle. 熔池均混时间、粉剂穿透比和粉剂停留时间是决定铁水包喷粉脱硫效率的三个基本参数。
- The ratio of students to teachers is 35:1. 学生和老师的比率是三十五比一。
- Resistant to penetration by water but not entirely waterproof. 抗水的能抵抗水的渗透但不完全防水的
- The ratio of schoolboys to schoolgirls is 2 to 1. 男学生和女学生的比例是2比1。
- 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。
- 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
- They dazzle the penetration of the composer. 他们使作家的洞察力混乱。
- How much penetration do we have? 入泥多深了?
- It has good penetration and good water resistance. 具有高度的渗透力及良好的耐水性能。
- 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。
- "I know it, and appeal to your penetration. “是的，我知道的，所以来请求你的判断。
- The floor is sealed to prevent water penetration. 地板加了密封涂料防止渗水。
- First by increasing market penetration. 第一是扩大市场渗透。
- 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
- High mobile and Internet penetration rate. 流动电话及互联网渗透率甚高。
- The penetration rate is getting slower. 钻速变慢了。
