air gap/expanded metal screen 何意(设备防烫保护)? Personnel protection may consist of barriers preventing contact with the hot metal surface, but shall not consist of thick insulation which will hinder heat transfer from the reactor. If personnel protection is mandatory, the barrier protection method should be implemented and an air gap provided with an expanded metal screen where contact may occur. air gap是“气隙”吗?在设备保温中是什么意思? expanded metal screen 是什么网? 查看更多6个回答 . 2人已关注