玻璃丝增强热塑塑料
glass reinforced thermoplastics
大型塑料袋机
heavy-duty plastic sack machine
废弃购物塑料袋
wasted shopping plastic bags
可降解一次性塑料袋
throwaway bio-degradable plastic bags
塑料袋进料封口机
plastic bag feeding and sealing plant
塑料袋生产线
polyethylene bag production line
塑料袋替代品
substitute of plastic bag