真空接触启动、真空保压设备、系统安全监控以及系统的设计计算是真空排水系统的技术关键。
The key technique includes the contact vacuum starter, pressure maintaining equipment for vacuum, the safety control in the vacuum drainage, the design and calculation method for the vacuum drainage.
真空接触启动、真空保压设备、系统安全监控以及系统的设计计算是真空排水系统的技术关键。
The key technique includes the contact vacuum starter, pressure maintaining equipment for vacuum, the safety control in the vacuum drainage, the design and calculation method for the vacuum drainage.
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