1.
low pressure gas infrared heater
低压煤气红外加热器
2.
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）
3.
Test on Pressure Released Blasting Applied to Seam Opening of Cross-Cut in High Gassy and Low Permeability Seam
高瓦斯低透气性煤层石门揭煤卸压爆破试验
4.
Study on Character of Combustor with Low-pressure Hot Dirty Gas and Engineering Application;
低压热脏煤气燃烧器的特性研究及工程应用
5.
Study on Synthetic Test Facilities for Low-Voltage Electrical Devices of Coal Mine;
煤矿低压电气设备综合试验装置的研究
6.
The Theory and Technology Study on Pressure Relief and Permeability Enhancements of the Coal Seam with High Concentration of Gas and Low Permeability
高瓦斯低透气性煤层卸压增透理论与技术研究
7.
Application of Rapid Excavation in Roadway of Low Gas Permeability & Outburst Coal Seam Based on Deep-hole Pre-splitting Control Blasting
卸压爆破在低透气突出煤层快速掘进中的应用
8.
A region of low barometric pressure.
低压带气压低的地区
9.
The barometer recorded a low pressure.
气压表标明有一低气压。
10.
hp and lp mixed economizer
高低压联合式省煤器
11.
A presentation is given of the identification and implementation of the extension and renovation plan for the low-pressure methanol unit based on gas from coal.
介绍了煤制气低压单醇装置扩改技术方案的确定、实施项目。
12.
Theory and practice of integrated pillarless coal production and methane extraction in multiseams of low permeability
低透气性煤层群无煤柱煤气共采理论与实践
13.
low pressure cylinder regulator
低压石油气瓶调压器
14.
A region of atmospheric pressure that is below normal.
低气压区大气压低于正常值的地区
15.
The new technology of high-concentration gasifying CWM from low rank coal
低阶煤制备高浓度气化水煤浆新技术
16.
A depression usually brings bad weather.
低气压通常带来坏天气。
17.
To prepar the town gas by catalytic gasification of Da-Tong coal under elevated pressure Ⅰ. The characteristics of catalytic gasification of Da-Tong coal and its coke
煤加压催化气化研制城市煤气——Ⅰ.大同煤和煤焦的催化气化特性
18.
Application of low caving coal hydraulic support in thick coal seam with large tilt angle
低位放顶煤液压支架在大倾角厚煤层中的应用