The three most important varieties are chrysotile, crocidolite and amosite.三种最主要的品种是温石棉, 青石棉和铁石棉.The strengths decrease in order crocidolite chrysotile, amosite.强度按青石棉,温石棉, 铁石棉顺序下降.By chemical dispersion and acid leachin...
If they carry on sinking boreholes then the land is likely to subside.如果他们继续钻洞，地表很有可能下沉。The correctness of the result was proved by some underground boreholes.经过少量的井下钻孔验证,证实了结果的正确性.This paper describes the substance a th...
我们驶离公路，再次在山腰上颠簸前行。We left the road, and again bumped over the mountainside.山腰上有一小块常绿灌木丛.There is a small evergreen shrub on the hillside.这村庄坐落在山腰上.The village sits on the side of the hill....