性滑坡多发生于坝基有大面积淤质粘土或填筑土料为含水量较大的粉质粘土和砂质粘土的坝中,由于土的蠕动作用(塑性流动),土体不断发生剪切变形,以致产生显著的塑性流动而滑坡。 A.
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【简答题】Nonverbal (非语言的) communication has to do with gestures, movements and closeness of two people when they are talking. The scientists say that those gestures, movements and so on have meaning which word...