gas drainage

常见例句

Ventilation modeling goes hand in hand with gas drainage strategies.
通风系统建模与瓦斯抽放系统相互相成。
Essential way of solving the gas drainage problem of low permeability coal seam is to increase coal seam permeability.
解决低透气性煤层瓦斯抽放问题的根本途径是增加煤层的透气性。
The author makes the proposal of establishing a preliminary underground gas drainage numerical model, which is the equivalent of boundary conditions and shift forward of initial conditions.
本文从数值模拟的角度提出了建立井下瓦斯抽放数值模型的初步方案，即将边界条件等效和模拟时间前推。

In Russia such drainage is reckoned to free 160m tonnes of the gas every year.
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Additionally, because of poor drainage, water ponds formed on the VML. These water ponds produced more methane gas, and the subsequent runoff traveled back into the VML and the Speedway Landfill.
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