The presence of a nonvolatile solute in a liquid always lowers the vapor pressure of the solution.
溶液中存在的非挥发性溶质，总是使溶液的蒸气压降低。
The engineer opened the safety valve to allow the steam to escape and so reduce the pressure.
工程师打开安全阀让蒸气外逸以便降低压力。
The flash chamber allows the pressure to reduce to atmospheric conditions.
这个闪蒸室使压力降到大气压
water falling in drops from vapor condensed in the atmosphere.
大气中压缩的水蒸气成滴降下来。
Study on Cu-Ag-Si-Ga Series Brazing Filler Alloys with Low Vapour Pressure
Cu-Ag-Si-Ga系低蒸气压钎料合金研究
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。
OPTIMIZING THE STEAM REFoRMING PROCESS OF HYDRoCARBoNS FOR REDUCING HYDROGEN PRODUCTION COST
优化烃类蒸汽转化制氢工艺 降低氢气生产成本
Fluorescent is a low pressure mercury-smoke arc discharge lamp.
日光灯是一种低气压的汞蒸气弧光放电灯。
When the external pressure is below atmospheric pressure, the boiling point will be lower.
当外界压强低于一个大气压时，水的沸点就降低。
Adsorption of stack gas odor and sulphihide, removing of mercury steam, reducing the generation of dioxin.
* 烟道气的臭气吸附、化物吸附，汞蒸气的去除，降低戴奥辛的生成。
To reduce the pressure of air or gas within(a chamber or vehicle, for example.
降压，解压降低（如小室或容器中的）空气或气体的压力
The compressive strength of lower alkalinity steel slag autoclaved product decreases when mixed with pyrite tailing alone.
单独掺入硫铁尾矿，低碱度钢渣蒸压制品的抗压强度下降。
Undervoltage (Voltage Drop).
欠电压(电压降低)。
Reduce Production Cost Of Compressed Air By Applying Value Engineering;
应用价值工程 降低压缩空气生产成本
a local region of low pressure or descending air that causes a plane to lose height suddenly.
使飞机突然下降的向下气流或局部低气压地区。
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。
When vapor is removed from the cylinder, the temperature and pressure equilibrium is disturbed and both will decrease.
在蒸气被提取后，温度和压力的平衡被破坏，两者都要下降。
Pressure Drop of Steam during Condensation in Trapezoidal Microchannels
梯形横截面微通道内的水蒸气凝结压降实验及其模型修正