The pressure swing gas producer is a kind of equipment which can directly produce gas with certain pressure and making use of pieces coal.

变压煤气发生炉是一种以碎煤为原料直接生产带压原料煤气和燃料煤气的制气设备。

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At all events, shut-in of gas Wells would seriously affect the producer and the consumer, and it would mean too high a cost just for taking the average formation pressure.

总的来说，关井会严重地影响气矿和用气单位的生产，如果专门为获得平均地层压力而关井，其代价太大。

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So far international pressure on Algeria, a big oil and gas producer, has been minimal.

ECONOMIST: Algeria