In design of thermal power units the calculation method for the relation of the boiler output parameters to the turbine boiler pressure drop, relation of this drop to the main steam pipe pressure drop and match of these drops to the pipe diameter should be decided.
设计火电机组时 ,应确定锅炉出口参数与“机炉压降”的关系 ,“机炉压降”与“主蒸汽管道压降”的关系及它们与管径匹配的计算方法。
The four properties, vapour pressure lowering, freezing point depression, boiling elevation, and osmotic pressure, are known as the colligative properties of solutions.
溶液的这四个特性：蒸汽压下降、凝固点降低，沸点升高和渗透压，称为溶液的依数性。
The piston moves by steam pressure.
活塞在蒸汽压力下运动。
The steam pressure falls on account of condensation in the cylinder.
由于汽缸里的冷凝作用，蒸汽的压力降低了。
As the steam expands, the temperature falls.
当水蒸汽膨胀时，温度就下降。
Ensure the vapor concentration is lower than LEL by10%.
保证溶剂蒸汽浓度降至LEL值的10%下。
The drop in temperature condenses the steam into water
温度下降使蒸汽凝结成水。
The drop in temperature condensed the steam to water.
温度下降使蒸汽凝成了水。
This water vapour rises, condenses on cooling, and falls as rain.
水蒸汽升入空中，遇冷凝成雨滴而下降。
Crack Analysis On The Drum Downcomer Union Joint of 20MnMo
锅筒蒸汽下降管接头20MnMo锻件裂纹分析
water falling in drops from vapor condensed in the atmosphere.
大气中压缩的水蒸气成滴降下来。
steam coming from a boiler at full pressure.
煮器在全压的情况下散发出的蒸汽。
To cause(water vapor)to condense and fall from the air as rain, snow, sleet, or hail.
使凝结而下降使（水蒸汽）凝结形成雨、雪、雨夹雪或冰雹从空中降下
Study on heat transfer of falling film evaporation characteristic on heat pipe in the negative pressure
负压下热管管外降膜蒸发的换热特性研究
Hygrothermal Viscoelastic Analysis of Strips under Vapor Pressure Loads
蒸汽压力作用下板条的湿热粘弹性分析
fracture-assisted steamflood technology
压裂辅助蒸汽驱工艺
high pressure steam sterilizer of portable type
手提式高压蒸汽消毒器
steam-bubbling type autoclave
蒸汽鼓泡搅拌式高压釜
The stokers got up steam
司炉增加了蒸汽的压力。