After permeability development for gas, the burning front starts moving forward to the production Wells.

当储层中的气体渗透率提高后，燃烧前缘开始向生产井中运动。

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A type of fire flood, an enhanced oil recovery method, in which the burning front moves from the injection well toward the producing well.

强化采油方法中的火驱法的一种类型。这时燃烧前缘从注入井向生产井移动。

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Forward combustion is in contrast to reverse combustion in which the burning front moves from the producing well toward the injection well.

与其相反的是反向燃烧，反向燃烧时燃烧前缘从生产井向注入井移动。

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At the end of the carnival, the ringers proceed through their own village, collecting rubbish at each house and burning it out front, involving everyone present in the ceremony.

UNESCO: Culture

On the island, I ran into a guy selling newspapers with a picture of the burning towers on the front.

FORBES: The Quieter Side Of 9/11

Two hooded anarchists, their shirts off, dance in front of a low burning barricade just, they hope, out of stun-grenade range of a platoon of riot cops.

BBC: Greek state starting to lose grip on functions of state