1) heavy gas protection
重瓦斯
1.
Reasons for heavy gas protection operation of 500kV transformers;
500kV变压器重瓦斯动作的原因分析
2) light and heavy gas
轻重瓦斯
1.
This accident was actually caused by the light and heavy gas in the main transformer.
针对2002年7月13日京郑线电气化铁道黄粱梦变电所1#主变压器轻重瓦斯故障,从理论和试验2方面进行了分析,重点根据《变压器油中气体分析和判断导则》对油中的气体进行了综合分析,并结合以往变压器故障判断经验以及其他试验和检查情况,找出了变压器故障类型,阐明了故障发生的真正原因及故障处理结果。
3) heavy gas oil
重瓦斯油
4) methane
[英]['mi:θeɪn] [美]['mɛθen]
瓦斯
1.
Directional Drilling for Methane Drainage in Advance of Mining;
采前瓦斯抽放定向钻进技术
2.
Controlling measures of methane and coal dust and ventilation method in fully mechanized excavation face;
综掘工作面治理瓦斯煤尘通风方法的探索
3.
Integrated control technology for methane in mining faces;
回采工作面瓦斯综合治理技术
5) coal gas
瓦斯
1.
The Analysis of Geological Factors to the Existence of Coal Gas in the Sunan Coal Mining Area and Xutuan Coal Field;
浅析宿南矿区和许疃井田瓦斯赋存的地质因素
2.
Dilution process of the coal gas in the laneway with pressured-injection ventilation and extracted methods had been analyzed comparatively.
本文对煤矿瓦斯治理中压入式与抽吸式通风方式对掘进面附近瓦斯浓度稀释规律进行了对比分析,主要考察两种通风方式对于瓦斯析出量出现变动的适应能力。
6) mine gas
瓦斯
1.
Influence factors of mine gas hydrate formation in surfactant solution containing coal;
瓦斯水合物在含煤表面活性剂溶液中生成影响因素
2.
Design and practices on network system of wireless sensors for mine gas monitoring and measurement;
煤矿瓦斯监测无线传感器网络系统设计与实现
3.
Design on wireless sensor network for mine gas measurement;
煤矿瓦斯监测无线传感器网络系统设计