Coalseams

常見例句

• The migrating methane by cross-borehole in coalseam is used in this condition.
  交又鉆孔抽放本煤層瓦斯正是在這種條件下產(chǎn)生的。
• HDPE with fire retardance and antistatic property has been developed and used to make gas drainage pipe in the coalseams.
  研制了具有阻燃及抗靜電性能的HDPE,并將其用于制作煤層瓦斯抽放管。
• Abstract There is coalseam methane in coalbed and coal bearing sequences in the study area.
  在煤層和煤系地層中，產(chǎn)生并賦存著煤層氣。
• This paper uses the numerical theory,constructs the math model of the effect of coalseam injection prediction,and gives an example of prediction.
  本文應(yīng)用數(shù)量化理論，給出了如何建立煤層注水效果的預(yù)測數(shù)學(xué)模型，并結(jié)合實(shí)例，進(jìn)行了預(yù)測。
• But because of the different conditions of the coal existing state, the migration effect is not good in coalseam in some coal mines.
  但是，由于煤的賦存條件千差萬別，有些煤礦本煤層抽放效果一直不很理想。
• With the high absorption intensity, stable hydrodynamic field and coalseam floor and roof,favorable coalbed gas system is formed.
  盆地中部在豐富的氣源、砂巖成巖致密化早于主供氣期、成藏后構(gòu)造及水動力穩(wěn)定等成藏條件配合下形成了大型深盆氣系統(tǒng)。
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