Pollution flashover performance of insulators at low air pressure;
低气压条件下绝缘子污闪特性的研究
Discusses several issues to be considered with care,namely the impact of low air pressure environment on the HVAC system,design considerations of electric heaters,and the integration of fresh air supply and oxygen supply systems.
探讨了青藏铁路客车暖通空调设计中须考虑的低气压环境对列车空调系统的影响,列车电加热器设计时的注意事项,以及新风系统与供氧系统的集成等问题。
In view of the climate features in highland district, analysis is made on such aspects as how to overcome the effect of low air pressure, improve the heat insulation performance, eliminate damage of ultraviolet radiation and resist damage of sand and stone by the windows for highland trains, and the tentative plan for improvement is put forward.
针对高原地区的气候特点,对高原列车用车窗如何克服低气压影响、提高车窗隔热性能、消除紫外线辐射及抵御沙石破坏等方面作了分析,并提出了改进设想。
An experimental method of microwave radition on animals in hypergravity and low atmospheric pressure enviornment;
超重和低气压环境下动物微波辐射的实验方法研究
Firstly this paper analyzes how the environment of low temperature and low atmospheric pressure affect the brake system in Qinghai-Tibet Railway from the theories.
从理论上分析了青藏铁路低温、低气压的环境对制动系统的影响,并以试验数据验证理论分析的正确性,为青藏铁路制动系统的安全运用提供参考。
Laparoscopic cholecystectomies with low pressure of pneumoperitoneum in high risk senile patients;
老年、高危病人超低压气腹腹腔镜胆囊切除术
The barometer recorded a low pressure.
气压表标明有一低气压。
A region of atmospheric pressure that is below normal.
低气压区大气压低于正常值的地区
A depression usually brings bad weather.
低气压通常带来坏天气。
Low pressure often brings rain.
低气压常常引起下雨。
a depression over Iceland
冰岛上空的低气压区.
In meteorology, depression is an area of low atmospheric pressure with associated weather phenomena.
在气象学中，低气压是一个与气候现象有关的低气压领域。
air moving (sometimes with considerable force) from an area of high pressure to an area of low pressure.
从高气压的地方到低气压的地方的空气流动。
Specification for low temperature/low air pressure test chambers
GB/T10590-1989低温/低气压试验箱技术条件
A region of low barometric pressure.
低压带气压低的地区
Low pressure, eg of the atmosphere, of gas or water piped to houses, of blood
低压（如气压、煤气或自来水压、血压）
low pressure cylinder regulator
低压石油气瓶调压器
super silenced air compressor
超低噪音空气压缩机
or cushion, of low-pressure air,
低压空气垫或软垫，
low pressure gas infrared heater
低压煤气红外加热器
low noise air screw compressor
低噪声螺杆空气压缩机
low voltage automatic air circuit breaker
低压自动空气断路器
Air pressure is low along the equator.
赤道附近的气压很低。
pert the low voltage to the engine cylinders.
转移低电压到火车气缸。