为了最小化油蒸汽的回流，一些冻干机在真空泵和前箱间设计了弯曲的管路。
In order to minimize oil vapor migration, some lyophilizers are designed with a tortuous path between the vacuum pump and chamber.
用喷淋加湿取代蒸汽喷雾是目前在湿热交变实验箱中推广的一种新方法，它具有体积小、耗能低、效率高、操作方便等优点。
We use spraying damping instead of steam atomizing, which is a new spread method. It have advantages of small dimension, low power consumption, high efficiency, convenient operating and so on.
运用单位矩阵解耦控制方法，解决造纸过程中纸机网前箱系统中纸浆流量和蒸汽压力的耦合问题；
Using the method of unit matrix synthesis to solve the coupling problem between the paper pulp flux and the steam press in the papermaking process.
实现产出和消耗蒸汽的连续平衡。主压力控制方法控制着输入锅炉的总热量以及流入每个锅炉联管箱的蒸汽量。
Achieve continuous balance between produced and consumed steam. This master pressure control approach controls total heat input into boilers, as well as total steam flow into each header.
着重介绍了渭河大化工程中的关键设备中压蒸汽过热器管箱堆焊和组装工艺。
The Beading and assembling process of IP superheater for Weihe project are introduced in detail.
发生事故的主要原因之一是过热器、再热器进口集箱引入三通处蒸汽在集箱中复杂流动工况下产生涡流，处在涡流区的管屏蒸汽流量减少，使汽温和金属壁温升高。
The main source of these failures are vortices existing, in front of Tee-Junctions of entering headers of superheaters and reheaters, caused by the complex flow conditions in the headers.
发生事故的主要原因之一是过热器、再热器进口集箱引入三通处蒸汽在集箱中复杂流动工况下产生涡流，处在涡流区的管屏蒸汽流量减少，使汽温和金属壁温升高。
The main source of these failures are vortices existing, in front of Tee-Junctions of entering headers of superheaters and reheaters, caused by the complex flow conditions in the headers.
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