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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。
- The spray penetration decreases and overall SMD increases with the increasing back pressure. 随著背压的升高，油束贯穿度减小而整体索特平均直径增加。
- For all tested fuels the spray penetration decreases, while the spray cone angle increases with the increase of the back pressure. 四种燃料喷雾的贯穿距离均随背压的升高而减少，而其喷雾锥角则随背压的升高而增大；
- The constant side spray angle during the impingement is less than that of the corresponding free spray.The wall spray penetration is far below that of free spray. 喷雾碰壁过程中的侧向喷雾锥角稳定值小于相应的自由喷雾，其贯穿能力远小于相应的自由喷雾。
- The results showed that the spray penetration of the DME was sl ower than that of diesel fuel,and the spray angle of the DME was wider than that of the diesel fuel. 研究结果表明：DME的喷雾贯穿距离比柴油小，喷雾锥角比柴油大；
- 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。
- Getsun de-rust lubricating spray penetrates and removes rust, lubricates, cleans for the automotive, machines and tools.Prevents corrosion and reduces noise with superior effect. 本品广泛适用于车辆、船只、家庭、工厂、工具及机房等因生锈而引起的不便。
- How big is the equipment for spray steelmaking? 连续喷雾炼钢设备有多大？
- Spray slaps the coast ceaselessly. 海浪不停地拍打着海岸。
- Did you bring along some insect spray? 你有没有带些杀虫喷液来?
- This spray will exterminate the termites. 这种喷剂能消灭白蚁。
- She carried a spray of pink roses. 她拿著一簇粉红色的玫瑰花。
- He had a spray in his buttonhole. 他的钮孔中插著一簇花。
- 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。
- 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
- 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
