目前很多医院的血液，生理盐水等液态药物，广泛采用塑料袋封装，来取代传统的瓶装方式。给储存、运输、使用带来方便。但对袋装液态药物的封口要求清洁无毒，无污染，粘结要可靠。ＧＺＲ－１型自动高频热合机就是医院血库采血时常用的一种小型机。该机利用塑料管道介质，在热 At present, liquid drugs such as blood and physiological saline in many hospitals are widely used in plastic bags to replace traditional bottled methods. Convenient for storage, transportation and use. However, the sealing of bags of liquid drugs requires clean, non-toxic, non-polluting, and reliable bonding. GZR-1 automatic high-frequency heat sealing machine is a kind of minicomputer commonly used in hospital blood bank blood collection. The machine uses plastic pipe media, in the heat