基础释义
例句

福克斯词典 \ 英汉词典 \

goaf是什么意思？

goaf

英[gəʊf] 美[goʊf]

n. 废矿；

例句

There are many factors influencing spontaneous combustion in goaf and their relative essentialities are different. 采空区自然发火的影响因素很多,各因素之间的相对重要性不同.
The method of gas drainagecoal seam gas drainage , near coal gas drainage , and goaf gas drainage. 瓦斯抽放的方法有本煤层抽放、邻近层抽放和采空区抽放.
The coal spontaneous combustion in the goaf is one of the main coal disasters. 采空区煤炭自燃火灾一直是我国煤矿的主要灾害之一.
And above 90 % spontaneous combustion occurs in goaf. 其中90%以上自然发火发生在采空区.

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