贯流式水轮发电机从进水到出水方向基本上轴向贯通，不拐弯、流道尺寸大而短，过流通道的水力损失少、效率高、结构简单、施工方便。
参考答案：对
We went through a period ____ communications were very difficult in the rural areas. [ ]
A. which
B. whose
C. in which
D. with which
建设社会主义新农村与全面建设小康社会有何关系
