Close the inlet block valve on the hottest stream.
关闭温度较高的产品流上的入口隔断阀。
Close the inlet block valve on the coolest product stream.
关闭温度较低的产品流上的入口隔断阀。
Gradually open the inlet block valve on the hottest stream.
逐渐打开温度较高的产品流上的入口隔断阀。
Gradually open the outlet block valve on the hottest stream.
慢慢打开温度较高的产品流上的出口隔断阀。
Gradually open the inlet block valve on the coolest product stream.
逐渐打开温度较低的产品流上的入口隔断阀。
Gradually open the outlet block valve on the coolest product stream.
逐渐打开温度较低的产品流上的出口隔断阀。
For the safety of gas transmission in long distance pipeline, the method regarding how to get the proper value of pressure drop rate for the fast block valve on pipeline is studied.
根据输气管道安全的需要，对干线快速截断阀压降速率设定值的确定方法进行了研究。
NIBCO's exclusive Block valve design greatly extends the life you ordinarily expect from a gate valve.
美国尼伯科特有的关闭阀设计极大地延长了传统闸阀的使用寿命。
NIBCO's exclusive Block valve design greatly extends the life you ordinarily expect from a gate valve.
美国尼伯科特有的关闭阀设计极大地延长了传统闸阀的使用寿命。
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