The small-oil-gun less oil ignition technology for igniting low-volatile poor coal is a patented technology developed in recent years.
应用小油枪微油点火技术点燃低挥发份贫煤技术为近年开发的专利技术。
The small-oil-gun less oil ignition technology for igniting low-volatile poor coal is a patented technology developed in recent years.
应用小油枪微油点火技术点燃低挥发份贫煤技术为近年开发的专利技术。
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