How to modify blowing HDPE thin films in 45B
如何改制45B机吹制高密度聚乙烯薄膜
The main technical characteristics satisfied with the requirements of IEC standard ( Draft , SC 45B , C. O. 52 ) .
仪器的主要技术指标满足IEC标准（草案，SC45B，C.O.52）的要求。
45b