Nearly a year later, it was agreed that Tom would be statemented.近一年后,汤姆被批准将获得特殊教育。I had eight statemented children in my class.我的班里有 8 名需要接受特殊教育的孩子。Nearly a year later, it was agreed that Tom would be statemented...近一年...
这种发生频率很高的、使次生渗透性能良好的岩体产生自封闭现象的反应就是泥岩化.The most frequent reaction causing the self - sealing of rocks with high secondary permeability is argillization.化学风化: 溶解 、 氧化 、 碳酸岩化 、 水合作用和水化作用.Chemical weathering: dissolution, ox...