goaf什么意思？

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 coal spontaneous combustion in the goaf is one of the main coal disasters...

And above 90 % spontaneous combustion occurs in goaf.其中90%以上自然发火发生在采空区.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.The method of gas drainagecoal seam gas drainag...

goaf的音标：goaf的英式发音音标为：[gəʊf]goaf的美式发音音标为：[goʊf]...

“副官”的拼音为：...

“偏狂”的英语可以翻译为：[医] monomania，monomoria，monopsychosis ...

n.蛋奶糊，牛奶沙司，蛋羹...

rejection的复数形式为：rejections...

gusset的音标：gusset的英式发音音标为：['gʌsɪt]gusset的美式发音音标为：['ɡʌsɪt]...

director的复数形式为：directors...

practise的一般过去时为：practised...

So here I attempt to explain why PER underrates Kobe Bryant.我在这里尝试去解释为什么阶段性的报告会低估科比.The kids of Kobe try to be as stoic as their parents in this tragic situation.在这种悲惨的情形面前，神户的孩子们努力学着像他们的父母一样去坦然面对。But the series will com...

adv.不受限制地，公平地，大方地，从优...

n.天文馆，天象仪...

billowy的音标：billowy的英式发音音标为：['bɪləʊɪ]billowy的美式发音音标为：['bɪloʊɪ]...

n.无核小葡萄干( currant的名词复数 )，茶藨子属植物（的果实）...

v.仔细检查( examine的过去式和过去分词 )，考试，审查...

漏斗胸...