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...

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

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...

cast iron的音标：cast iron的英式发音音标为：[kɑ:st 'aiən]cast iron的美式发音音标为：[kæst 'aɪən]...

n.计算器( calculator的名词复数 )...

仰趾外翻足...

...

n.柳安木...

Most of the New Grange site is an earth - covered cairn.新格兰奇的大多数遗迹是被泥土覆盖的石堆.New Grange is one of the most extravagantly decorated prehistoric tombs.新格兰奇是装饰最豪华的史前陵墓之一.In a few minutes Norman Grange stamped along the veran...

黏合小体...

adj.如目录的，目录的...

Perhaps you are too acquiescent.可能你太顺从了。My brother is of the acquiescent rather than the militant type.我弟弟是属于服从型的而不是好斗型的.She is too acquiescent , ie too ready to comply.她太百依百顺了....

magneform的音标：magneform的英式发音音标为：['mægnəfɔ:m]magneform的美式发音音标为：['mægnəfɔm]...

caraways的音标：...

n.半乳糖酶...

n.黄麻纤维...

That's exactly what researchers at the French firm Genset think they've come up with.这正是法国基塞(genset)公司研究人员考虑的问题,他们已实现了这一愿望.Our C, CL, CLE series of genset adopt half open structure which will reduce noise much....

“尺寸”的拼音为：chǐ cun...