常見(jiàn)例句The paper rearches into the compactibility and the dilatability of the crushed material of the clayrock in the northwest area of China. 以西北某粘土巖的粉碎材料為研究對(duì)象,對(duì)粉碎土料進(jìn)行了壓實(shí)性和膨脹性的研究。Keywords clayrock;petroleum system;basic factors;pool-forming role; 粘土巖;含油氣系統(tǒng);基本要素;成藏作用;AN EXAMPLE OF EXPLORIATION AND APPLICATION OF MONTMORI UONITE CLAYROCK--DEVELOPMENT AND MANUFACTURE OF BENTONITE CLAY OF ZHUOZHOU 蒙脫石粘土巖開發(fā)應(yīng)用之一例--涿州皂土的研制與開發(fā)Keywords coal seam volcanic ash clayrock bands horizon and distribution mineralogi-cal and petrological properties gensis; 礦物巖石特征;火山灰;粘土巖夾矸;層位及分布;成因; 返回 clayrock