在真空排气系统中，必须引蒸汽到汽轮机主轴迷宫式密封，以防真空损失。
In a vacuum exhaust system, sealing steam to the turbine shaft labyrinth seals must be admitted to avoid loss of vacuum.
如果排气系统处于真空下，必须在打开排气阀后，逐渐引蒸汽来加热壳体。
If the exhaust system is under a vacuum, the casing must be warmed by gradually introducing the steam, after opening the exhaust valve.
本文介绍一种以可编程控制器为主控单元的脉动真空蒸汽灭菌器的电气控制系统。
This paper introduces an automatic control system with PLC for pulse vacuum steam sterilizer.
采用蒸汽压缩式制冷方法制作了BGO探测器真空保温系统，并探讨了温度对BGO探测器能量分辨率的影响。
The vacuum and heat preserving apparatus of BGO detector using steam compressing are introduced, and temperature effect on energy resolution of BGO detector are discussed.
我已经安装了后方卡车和蒸汽真空制动系统的面前，刹车制动与英国俱乐部的大多数乘客的股票系统兼容。
I've fitted a steam brake system for the rear truck and vacuum brakes for the front one to be compatible with braking systems on most UK club passenger stock.
根据60年的经验和研究，GEA已经开发出采用对真空蒸汽冷凝器的运行有利的管道系统。
Based on more than 60 years of direct experience and research, GEA has developed and optimized fin tube systems with features particularly beneficial to the operation of vacuum steam condensers.
根据60年的经验和研究，GEA已经开发出采用对真空蒸汽冷凝器的运行有利的管道系统。
Based on more than 60 years of direct experience and research, GEA has developed and optimized fin tube systems with features particularly beneficial to the operation of vacuum steam condensers.
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