LDPE

例句：

1. 1. This LDPE bag is very durable and can hold a lot of things.
   这个低密度聚乙烯袋非常耐用，能装很多东西。
2. 2. The LDPE film is widely used in packaging industry.
   低密度聚乙烯薄膜在包装行业广泛应用。
3. 3. The LDPE pipes are easy to install and maintain, making them popular for outdoor use.
   低密度聚乙烯管道易于安装和维护，因此被广泛用于户外使用。