这种全周长阀座结构能够实现任何方向的气泡级密封关闭效果。
The perimeter seat design gives bubble tight shutoff in either direction.
其次，构建了火力发电厂事故的全周期应急管理体系。
Secondly, this paper constructs the thermal power plant accident whole cycle emergency management system.
其次，构建了火力发电厂事故的全周期应急管理体系。
Secondly, this paper constructs the thermal power plant accident whole cycle emergency management system.
应用推荐