圈闭的最大有效容积取决于（）等参数。
A、闭合面积
B、闭合高度
C、储集层的有效厚度
D、储集层的有效孔隙度
参考答案：A, B, C, D
My uncle now teaches French in a famous domestic university, who _______ in Paris for 6 years.
A．have lived
B．lived
C．was living
D．had lived
何谓焊接接头的热应变脆化区？它在性能上有何特点？
