Steam safety valve should be installed to provide emergencyprotection of equipment.
应该安装蒸汽安全阀，为设备提供紧急保护。
2
For this reason, we have embarked on the research into electricity distribution network emergencyprotection system of Haidian power company.
为此，我们开展了海淀供电公司城市配电网应急保障体系研究工作。
3
Number of occasions, some not much action, but has very high reliability requirements, such as fire protection, emergencyprotection, must not be taken lightly.