This article describes some security settings of the ammoniarefrigeration system in abroad, which are absent in civil codes, and also some new techniques and methods.
本文介绍了国外在制冷系统中一些国内相关规范还没有的安全设置，以及这些安全设置的新工艺和新的做法。
2
The flammable chemical ammonia is often used in refrigeration systems.
可燃化学品液氨常常用于制冷系统。
3
Liquid ammonia used in refrigeration can destroy lung tissue, easily resulting in death, and cause chemical burns on the skin.