“自然发火煤层”的意思、由来-中文百科全书

词条	自然发火煤层
释义	矿井中曾发生过内因火灾或有可能自燃的煤层
随便看	How do I live How do I love thee How Do You Know How Green Was My Valley howie Howie Day Howie Mandel how i met your mother How it's made How I Wish howjust HOWL Howling Howling Sword Howlin' Wolf how many HOW MERRY MARRY How much howo-a7 How often do you exercise How's it going How To Be how to break a heart How was your school trip how you remind me 气歇气步甲气死风灯气毙气氛气氛炉冷却装置气汹汹气泡气泡式水位计气泡核聚变气流气流噪声气流干燥气浮气浮池气海俞气液平衡气液相反应过程气液转换器气温季节变化气温年较差气温骤降心梗攀高气滞胃痛颗粒气滞证的饮食治疗气满志得

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