... bituminous shale 沥青质页岩,沥青页岩... clay shale 粘土页岩,泥页岩... argillaceous shale 泥质页岩 ...
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clay shale with low permeability 低渗透页岩
iron clay shale 含铁粘土质页岩
clay shale formation 粘土页岩建造
Expanded clay and shale 膨胀粘土和页岩 ; 膨胀粘土和页石
shale clay 页岩粘土 ; 页岩质粘土
clay of shale 页岩泥
Burnt Clay and Shale Bricks 烧制的粘土及页岩砖
Hanyin shale clay 汉阴页岩陶土
Metal cations ionized by the hydroxy-acid salt can inhibit the hydration expansion and hydration dispersion of the clay shale;
羟基酸盐电离出的金属阳离子能抑制泥页岩 的水化膨胀和水化分散；
Its main effect is inhibiting clay shale hydration expansion, improve the quality of mud cake, protecting reservoir, also has the very good control effect of collapse.
它的主要作用是抑制泥页岩水化膨胀，改善泥饼质量，保护油层，同时也具有很好的防塌效果。
Coal deposits, after all, are petrified peat swamps, and peat is made from decaying plants, which leave their imprints in mud and clay as it hardens into shale stone.
毕竟煤炭矿床本身就是石化的泥炭沼泽，而泥炭的成份是腐烂的植物。当粘土泥浆逐渐硬化成页岩石，腐烂的植物则在上面留下了它们的印记。
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