Poly bag,PVC bag,PE bag有什么区别?

Poly bag,PVC bag,PE bag有什么区别? poly bag 是什么? 求问1PC/POLY BAG poly propylene bag 是什么袋子呢?有谁知道poly propylene bag 是不是编织袋?还是PP袋？ 英语翻译1.pvc bag with veltro2.polipropilene bag with zip single in poly bag 16000 units是什么意思?single in poly bag 16000 unitsdouble in poly bag 17000units which is 50000units - 是什么意思? 英语翻译2mil patch handle poly bag with clear plastic patch on inside of handle 请帮我翻译以下外贸包装描述1) 25kg/plastic woven bag lined with PE bag 2) 25kg/compound Kraft bag lined with PE bag 3) In jumbo bag, then on pallets and stretch wrapped 英语翻译I am looking for 4-inch (10.16cm) lay flat poly tubing (poly film/poly bag) in 52.5-foot (16m) rolls.The poly tubing (poly film/poly bag) must be 6-mil (152.4um) or 8-mil (203.2um) thickness and have a 1.25-inch (3.175cm) O.D.or smaller c BaD Bag doggy bag bag是什么意思 a bag bag 是什么意思 bag是什么意思 Doggy bag, bag是什么意思? bag是什么意思