SCF壓 裂液對(duì)粘土的防膨率為80.5%.The decrement of clay swelling in the fluid is of 80.5 %.例如湖區(qū)邊界、河流漫灘或者是干旱地區(qū)具有保水粘土的地段.Swamp vegetation represent the early stages of a HYDROSERE or HALOSERE.燃燒加入粘土的物質(zhì)會(huì)產(chǎn)生一些細(xì)小的洞.Burning away the materia...