External cables for telecommunication and data processing systems ; cables insulated and sheathed with polyethylen , unit stranded 电信和数据处理系统用室外电缆.绝缘聚乙烯包覆电缆
Cesium carbonate is packaged by polyethylen bottle containing 1000g , the bottles in a carton , the net weight of a carton should be no more than 20kg 包装:产品用聚乙烯塑料瓶包装,再置于硬箱中,每瓶净重1000g ,每箱净重不超过20kg 。