这种塑料包装筒由上、下筒体、锁紧环及密封围组成，它配备于某引信包装上。文中除了介绍它的构造原理外，还分析说明了其主要性能、特点。 This plastic packaging tube from the upper and lower cylinder body, locking ring and seal around the composition, it is equipped with a fuze package. In addition to introducing its tectonic principle, the article also analyzes and illustrates its main features and characteristics.