Positive isolation怎么理解呢? http:///2011/08/positive-isolation/ the primary objective of positive isolation is to provide a safe environment for performing maintenance, repair or replacement operations on process facilities. positive isolation主要目的是为工艺设施的维护,修理或更换提供一个安全的工作环境 理解为安全隔离,或者完全隔离查看更多