In a vacuum exhaust system, sealing steam to the turbine shaft labyrinth seals must be admitted to avoid loss of vacuum.
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。
First of all the most important point: if the gas pipeline inner fire, immediately closed all into the hole, radiation tube and sealing pipe, and in general to pipe of steam to extinguish fire.
首先最重要的一点：如果煤气管道内着火，应立即封闭所有入孔、放散管、采封管，并向管道内通大量蒸汽灭火。
It is widely used to improve mechanical properties of iron-based powder metallurgy parts, defend causticity and air sealing by high-temperature steam treatment.
高温水蒸汽处理在提高铁基粉末冶金零件力学性能、防腐蚀性及气密封性等方面得到了广泛的应用。
From 1993, the reconstruction of low pressure cylinder sealing began to conduct. The floating ring seal are changed into steam jamming seal. The applied effect is good.
1993年开始实施低压缸密封改造，将浮环密封改造成蒸汽阻塞密封，使用效果良好。
The influence of temperature, gas-liquid ratio, gas-liquid rate, residual oil saturation and permeability on steam foam sealing ability is studied on the basis of microscopic percolation study.
在蒸汽泡沫微观渗流研究的基础上，研究了温度、气液比、气液速率、残余油饱和度以及渗透率对蒸汽泡沫封堵能力的影响。
The condensed water of high temperature will form water sealing to effectively reduce the steam leakage.
利用高温凝结水行程水封式，有效减少蒸汽泄漏。
Stem steam leakage from main stop valve and governor valve, drainage of front and rear steam sealing, etc shall all be directed into the conduit, and then be discharged into the gutter.
主汽门阀杆及调节汽阀阀杆漏气，前后汽封疏水等都引入集水管再排入地沟。
The invention discloses a sealing packing for a steam chamber of a tire vulcanizer and a method for producing the same.
本发明披露了一种用于轮胎硫化机蒸汽室的密封盘根及其生产方法。
Separation of water and gas is reliable (water vapor enters from bottom of valve by the U general type), remain the state of water sealing in the valve, effectively prevent leakage of steam.
汽水分离可靠（水汽经U型普通从阀底部进入），阀内始终处于水封状态，有效阻止蒸汽泄漏。
Relative measures for optimization of shaft sealing systems of domestic combined-cycle steam turbine are described.
描述了国产联合循环汽轮机轴封系统优化的必要性和相关措施。
Honeycomb sealing technology could make steam turbine unit operation safe and economic due to geometric parameters optimization of honeycomb seals when decreasing radial labyrinth clearance.
蜂窝式密封新技术在减小汽封径向间隙的同时，借助于优化密封蜂窝室几何参数显著提高了汽轮机组的安全经济性。
For the steam and oil series of sealing material has entered the international market more than 10 years, enjoyed high credibility.
用于蒸汽和耐油系列的密封材料已进入国际市场十几年，享有较高的信誉。
For the steam and oil series of sealing material has entered the international market more than 10 years, enjoyed high credibility.
用于蒸汽和耐油系列的密封材料已进入国际市场十几年，享有较高的信誉。
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