您要查找的是不是：
- PE／PP PE/PP
- PP／PE PP/PE
- PP／PE共混物 PP/PE blends
- PP／PE复合膜 PP/PE laminated films
- PP-墙卡 Collar bracket
- PE polyethylene (PE)
- PE管 PE pipe
- PP-R PP-R
- PP环 PP ring
- PE线 PE line
- PE蜡 PE wax
- PP-环 PP-ring
- PP法 PP (Perfect Prediction) method
- PE-RT PE-RT
- PP-模 PP-module
- UHMW-PE UHMW-PE
- PE管道 PE pipeline
- 动态PP dynamic pulse pressure (PP)
- PP因素 antipellagra factor; nicotinic acid; vitamin P
- PE文件 PE file
