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...
结论砷致皮肤癌在棘细胞内有许多黑素颗粒.Melanin granule obviously increased in spinous cell.TIMP-2在基底细胞层和棘细胞层有少量表达.The positive cells of TIMP - 2 were observed in the prickle and basal layers.从基底面到游离面依次为基底层、棘细胞层和嗜酸性细胞层.The epithelium about ...
We have changed the course to make it more challenging.我们改了课程以使其更具挑战性。He left a note at the scene of the crime, challenging detectives to catch him...他在犯罪现场留了个条儿，向警探挑衅。I'm ready to do all those things which are more...
Two teenagers burgled the home of Mr Jones's mother.两个少年闯进了琼斯先生的母亲家里行窃。I found that my flat had been burgled.我发现我的公寓被盗了。I thought we had been burgled.我想我们被盗了。...