2.2 缩略语

2.2.2  BA(bright annealing pipe)  光亮低碳不锈钢管

2.2.3  EP(electro-polished pipe)    电化学抛光低碳不锈钢管

2.2.4  PP(polypropylene)    聚丙烯

2.2.5  PE(polyethylene)    聚乙烯

2.2.6  PVDF(polyvinylidenefluoride)  聚偏氟乙烯