By the continuous-feeding external-heating rotary kiln, the experimental studies on the gas yield characteristics, mass balance and net energy income of the polyethylene pyrolysis were performed.
在连续给料外热式回转窑试验台上，以聚乙烯为试验物料进行了热解产气特性、质量平衡以及能量净收益的试验研究。
Packing Paper bag lined with polyethylene film. Net weight 25kg per bag.
包装复合纸袋，内衬塑料薄膜的复合纸袋，净重25公斤。
The hot melt adhesive was extruded into film by an extruder and then was laminated hotly with crosslinking polyethylene flat and glass fibre net with large holes so the fixing flat was obtained.
用挤出机将其挤成胶膜后与交联聚乙烯基材，大孔径玻璃纤维网热复合制成固定片。
应用推荐