Most of it comes from off the coast of Western Australia, and most of this, like the coal-seam gas, is destined for Asia.
这其中绝大多数出自澳大利亚西海岸，此地出产的煤层气等绝大多数产品都销往亚洲。
In addition, sometimes people forget to turn off the coal gas when they leave their house.
此外，有时人们在出门前忘记关煤气。
Burning type catalyzing gas sensors are the devices of the gas monitoring system in coal mines, which realizes the auto on-off of the ventilation system based on detecting the gas volume fraction.
热燃烧式催化瓦斯传感器是煤矿矿井瓦斯监控系统的核心部件，用于检测瓦斯体积分数，实现风电闭锁功能。
Since 2000, we have recycled carbon black off-gas instead of raw coal as fuel for coal tar process and power plant.
从2000年起将炭黑尾气全部回收作为煤焦油加工生产线和发电厂锅炉用燃料，代替原煤。
Since 2000, we have recycled carbon black off-gas instead of raw coal as fuel for coal tar process and power plant.
从2000年起将炭黑尾气全部回收作为煤焦油加工生产线和发电厂锅炉用燃料，代替原煤。
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