69-1型饮水消毒片部队已使用多年。1979年中越边界自卫反击作战时,对部队的个人饮水卫生起到一定的保障作用。但因卤素含量较多,致使消毒后的水产生明显的卤味,有些指战员不适应,而且包装的防水性能差。1981年开始对69-1型饮水消毒片做了以下三方面的改进。 69-1 drinking water disinfection unit has been used for many years. During the counterattack in self-defense by the border between China and Vietnam in 1979, they played a certain role in safeguarding the personal drinking water hygiene of the armed forces. However, due to more halogen content, resulting in clear water after disinfection of the water, some officers and men do not meet, and poor water-proof packaging. 1981 began to 69-1-type drinking water disinfection film made the following three improvements.