危险区域划分中的一句话翻译? 回复 1# yujianhuakai 把一些相关概念贴出来,便于大家的理解 a hazardous area is defined as a three dimensional space where a flammable atmosphere may be expected to be present at such frequencies as to require special precautions for the type and use of electrical apparatus or other potential ignition sources. hazardous areas will be identified and classified into zones 0, 1, 2 based on the frequency of the occurrence and duration of a flammable atmosphere. the outcome of the area classification exercise is a partition of a petroleum installation into zones 0, 1 and 2 which are marked on plot plans, and the rest of the installation classified as non-hazardous or “ safe ”. restricted area: area within the boundaries of the installation and hence under the control of company, which is affected permanently by normal operation of the facility or exceptionally by the consequences of an emergency situation caused by a major failure. the restricted area is materialised by a security fence.查看更多