The main reasons were due to the defect in the design of safety valve secondary circuit and the overlap of the service rating and the setting for safety valve popping and reseating.
主要原因是锅炉安全阀二次保护回路设计有缺陷，再加上安全阀起跳和回座的整定值与运行额定值相重叠造成的。
Combining the secondary circuit, we have proposed the design methodology of transcutaneous power transmission system with a class-E amplifier.
结合次级电路，提出了基于E类放大器的经皮能量传输系统的参数设计方法。
The control mode of mixed loop of heat-supply secondary circuit and the design key points of the control system are introduced.
介绍了供热二级管网混合回路的控制方式及控制系统的设计要点。
The control mode of mixed loop of heat-supply secondary circuit and the design key points of the control system are introduced.
介绍了供热二级管网混合回路的控制方式及控制系统的设计要点。
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