节理
参考答案：
虽破裂但破裂面两侧岩块未发生明显滑动、位移的断裂构造叫做节理。
—Where does Mr Black live? Can you guess?
—Sorry.I can't guess . [ ]
A. where does he live
B. where he lives in
C. where does he live in
D. where he lives
机电设备的完好标准有哪些？
