| 释义 |
gas permeability of coal seam
- 煤气méi qì
gas; coal gas
- 气煤qì méi
bottle coal; gas coal
- 屈接缝qū jiē féng
folded lap seam
- 线缝xiàn féng
seam
- 绗缝háng féng
quilting seam
- 肩缝jiān féng
shoulder seam
- 铆缝mǎo féng
rivet seam
- 无烟煤wú yān méi
anthracite, blind coal
- 炼煤liàn méi
artificial coal
- 钎焊焊缝qiān hàn hàn féng
soldered seam
- 炼焦煤liàn jiāo méi
coking coal; baking coal; sintering coal
- 褐煤hè méi
lignite; lignitous coal; azabache; bovey coal; brown coal
- 裤缝kù féng
seams of a trouser leg
- 长焰煤zhǎng yàn méi
long flame coal; jet coal; candle coal; kennel coal; cannel coal
- 髎liáo
seam
- 毒气dú qì
poison gas; mephitis; war gas; gas
- 浸透性jìn tòu xìng
permeability
- 可透性kě tòu xìng
permeability
- 呃气e qì
belching of gas
- 废气fèi qì
exhaust gas; waste gas; flue gas; off gas
- 沥青煤lì qīng méi
bituminous coal; pitch coal; asphalt coal
- 煤粉méi fěn
braize; gum; baring powder coal; pulverized coal
- 惰性气体duò xìng qì tǐ
inert gases; inert gas; noble gas; inactive gas; indifferent gas
- 液化瓦斯yè huà wǎ sī
compressed petroleum gas
- 导磁性dǎo cí xìng
magnetoconductivity, permeability
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