The engine is letting off steam to relieve the pressure in the boiler.

机车在放蒸汽, 以减少锅炉气压。

Meteorologist believe this pressure jump is the mechanism responsible for storm and tornado.

气象学家认为这一气压突然升高是暴风雨和飓风形成物理机制。

The arrow on the barometer was pointing to “Stormy”.

气压计上指向“有暴风雨”。

The barometer marked a continuing fall in atmospheric pressure.

气压表表明气压在继续下降。

I took horary observations of the barometer.

我每隔一小时观测一次气压计。

A depression usually brings bad weather.

低气压通常带来坏天气。

The first helps you control your vertical velocity to limit the risks of ear barotrauma and DCI.

上升/下降绳可以帮助你控制垂直方向速度并以来降低耳朵气压性创伤和减压病症危险。

Objective:To observe clinical effect and complications of treating ureterolith through aerodynamic trajectory lithotrity by ureterorenoscope(URS).

观察经输尿管肾镜行气压弹道碎治疗输尿管结临床疗效及并发症。

Conclusion: Under ureter mirror barometric pressure trajectory lithotrity security.Damages slightly.The effect is obvious.

结论输尿管镜下气压弹道碎全,损伤小,效果确切。

They used an air compressor to take in atmospheric air, compress it, and force it into the cabin.

他们用一台空气压缩机把大气中空气吸进来，加以压缩，然后送入船舱。

Grasp the general knowledge of maintaining the anti-chemical suit and the working priciple of forcible equiblast and air-compressed equipment.

掌握防化服保养常识，掌握强制送风和空气压缩装置工作原理及维修常识。

The barometer is falling.

气压正在下降。

The procedure and characteristic of the arc discharge,feature of ignitron,firing way,structure features and its application are described in the paper.

汞弧光放电是一种低气压气体放电现象,放电电流密度大。

It includes the function of vacuometer, atmospheric pressure altimeter, thermometer (environment) and pressuremeter (for example the standard pressure meter of sphygmomanometer calibration).

介绍一种便携、数字式多用途仪器，它具有真空度计、气压高度计、（周围环境）温度计以及压力计（例如可作为校准血压计标准器）等功能。

When barotrauma has occurred in the middle ear, it is not unusual for the diver to have a sensation of pressure or fullness and decreased hearing.

当中耳受到气压性创伤时候，潜水者会经常有压力、充塞和听力下降感觉。

Kind of moisture expellable, smell preventive shoe is characterized by that the whole shoe liner is made into a form of gas pump which can expel the moist air out in the shoe.

本发明公开了一种能排湿防臭、鞋帮对脚部压紧力大小可以由调节气压来控制，特别跟脚而又不影响整体外形鞋。