一条断层上盘下降，其走向又垂直地层的走向，这条断层既是正断层又是横断层。()

I am very familiar with him, so I recognized his voice ___________.

A、particularly
B、especially
C、immediately

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岩层产状要素包括走向、倾向和倾角，但用倾向、倾角两个要素正确即可表示。() 点击查看答案&解析