1.
Analysis on the Development Prospect ofβSpecial Material of PPR Pipe;
β型PPR管材专用料的开发前景分析
2.
Development and Production of Ethylene-Propylene Random Copolymer Specialty for Tubes;
无规共聚聚丙烯PPR管材专用料研制和生产
3.
Study on the Correlation between Structure and Properties and Mechanism of Good Creep Resistance for PPR Used Pipes;
PPR管材料结构与性能及其高温耐蠕变机理的研究
4.
Analysis of Properties of PPR Tubular Material B4101 and Optimization of Production Technologies
乙丙无规共聚PPR管材料B4101性能分析及生产工艺优化
5.
Industrial development of new speciality resin PPR-E-003 for tube
新型管材树脂PPR-E-003的工业化开发
6.
Virtual Maintenance Technology for Reactor System Based on PPR Technology
基于PPR技术的反应堆系统虚拟维修技术
7.
Study on the Functionalization of PPR and Its Toughening Effect on Recycled PET Flakes
PPR的官能化及其对回收PET瓶片的增韧研究
8.
Establishment of Mathematical Model for Predicting Cigarette's Tar Yield with Projection Pursuit Regression Method
投影追踪回归(PPR)法建立卷烟焦油预测数学模型
9.
Expression and Purification of Truncated N Protein of PPRV and RPV
PPR与RP病毒N蛋白片段的克隆表达与纯化
10.
Senior transparence special resin is found successfully on the basis of PPR powder which made in Fushun Ethylene Chemical Company.
利用抚顺乙烯装置产的PPR粉料作基料,研制成功高透明聚丙烯专用料。
11.
Socket/spigot 1;Socket/spigot 2;Socket/spigot 3;Socket/spigot 4
管座/套管 1;管座/套管 2;管座/套管 3;管座/套管 4
12.
Of or relating to a tube.
管的、管形的（关于）管的
13.
bronchial, Fallopian, Eustachian tubes
支气管、 输卵管、 耳咽管.
14.
The cylindrical part of a wind instrument.
管管乐器的管状部分
15.
trinicon tube socket
单管三色摄象管管座
16.
vascular system
导管[血管、淋巴管]系统
17.
liner (tubes for barrels) for firearms
火器的内管（枪管）
18.
"Does advertisement work?"
“广告管不管用?”